1926972 has 18 divisors (see below), whose sum is σ = 4871048. Its totient is φ = 642312.

The previous prime is 1926949. The next prime is 1926973. The reversal of 1926972 is 2796291.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 53527 = 1926972 / (1 + 9 + 2 + 6 + 9 + 7 + 2).

It is a d-powerful number, because it can be written as 1 + 9⁶ + 2 + 6⁵ + 9⁶ + 7⁷ + 2¹⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1926973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26728 + ... + 26799.

2^1926972 is an apocalyptic number.

1926972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1926972 is an abundant number, since it is smaller than the sum of its proper divisors (2944076).

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

1926972 is a wasteful number, since it uses less digits than its factorization.

1926972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53537 (or 53532 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 1926972 is about 1388.1541701122. The cubic root of 1926972 is about 124.4395603478.

The spelling of 1926972 in words is "one million, nine hundred twenty-six thousand, nine hundred seventy-two".