1931442 has 16 divisors (see below), whose sum is σ = 3876672. Its totient is φ = 641520.

The previous prime is 1931411. The next prime is 1931453. The reversal of 1931442 is 2441391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2592 + ... + 3252.

It is an arithmetic number, because the mean of its divisors is an integer number (242292).

2^1931442 is an apocalyptic number.

1931442 is an abundant number, since it is smaller than the sum of its proper divisors (1945230).

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

1931442 is a wasteful number, since it uses less digits than its factorization.

1931442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its digits is 864, while the sum is 24.

The square root of 1931442 is about 1389.7632891971. The cubic root of 1931442 is about 124.5357069240.

The spelling of 1931442 in words is "one million, nine hundred thirty-one thousand, four hundred forty-two".