1931412 has 24 divisors (see below), whose sum is σ = 5150656. Its totient is φ = 551808.

The previous prime is 1931411. The next prime is 1931453. The reversal of 1931412 is 2141391.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1931411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11413 + ... + 11580.

2^1931412 is an apocalyptic number.

1931412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1931412 is an abundant number, since it is smaller than the sum of its proper divisors (3219244).

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

1931412 is a wasteful number, since it uses less digits than its factorization.

1931412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23007 (or 23005 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 1931412 is about 1389.7524959503. The cubic root of 1931412 is about 124.5350621397.

Subtracting from 1931412 its sum of digits (21), we obtain a palindrome (1931391).

The spelling of 1931412 in words is "one million, nine hundred thirty-one thousand, four hundred twelve".