3091242 has 32 divisors (see below), whose sum is σ = 7709184. Its totient is φ = 802800.

The previous prime is 3091219. The next prime is 3091259. The reversal of 3091242 is 2421903.

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

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, 2884 + ... + 3807.

It is an arithmetic number, because the mean of its divisors is an integer number (240912).

Almost surely, 2^3091242 is an apocalyptic number.

3091242 is an abundant number, since it is smaller than the sum of its proper divisors (4617942).

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

3091242 is a wasteful number, since it uses less digits than its factorization.

3091242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6714.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3091242 is about 1758.1928221899. The cubic root of 3091242 is about 145.6725318386.

It can be divided in two parts, 3091 and 242, that added together give a palindrome (3333).

The spelling of 3091242 in words is "three million, ninety-one thousand, two hundred forty-two".