1966572 has 48 divisors (see below), whose sum is σ = 5174400. Its totient is φ = 645840.

The previous prime is 1966561. The next prime is 1966583. The reversal of 1966572 is 2756691.

It is an interprime number because it is at equal distance from previous prime (1966561) and next prime (1966583).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 14079 + ... + 14217.

It is an arithmetic number, because the mean of its divisors is an integer number (107800).

2^1966572 is an apocalyptic number.

1966572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1966572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2587200).

1966572 is an abundant number, since it is smaller than the sum of its proper divisors (3207828).

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

1966572 is a wasteful number, since it uses less digits than its factorization.

1966572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 275 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 1966572 is about 1402.3451786204. The cubic root of 1966572 is about 125.2862134879.

The spelling of 1966572 in words is "one million, nine hundred sixty-six thousand, five hundred seventy-two".