1996372 has 48 divisors (see below), whose sum is σ = 4290048. Its totient is φ = 794880.

The previous prime is 1996363. The next prime is 1996381. The reversal of 1996372 is 2736991.

It is an interprime number because it is at equal distance from previous prime (1996363) and next prime (1996381).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42453 + ... + 42499.

It is an arithmetic number, because the mean of its divisors is an integer number (89376).

2^1996372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1996372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2145024).

1996372 is an abundant number, since it is smaller than the sum of its proper divisors (2293676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1996372 is a wasteful number, since it uses less digits than its factorization.

1996372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 134 counting only the distinct ones).

The product of its digits is 20412, while the sum is 37.

The square root of 1996372 is about 1412.9302884431. The cubic root of 1996372 is about 125.9158756514.

1996372 divided by its sum of digits (37) gives a triangular number (53956 = T₃₂₈).

It can be divided in two parts, 199 and 6372, that multiplied together give a triangular number (1268028 = T₁₅₉₂).

The spelling of 1996372 in words is "one million, nine hundred ninety-six thousand, three hundred seventy-two".