611397842 has 16 divisors (see below), whose sum is σ = 1027510272. Its totient is φ = 270396720.

The previous prime is 611397823. The next prime is 611397859. The reversal of 611397842 is 248793116.

It is a self number, because there is not a number n which added to its sum of digits gives 611397842.

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, 374738 + ... + 376365.

It is an arithmetic number, because the mean of its divisors is an integer number (64219392).

Almost surely, 2^611397842 is an apocalyptic number.

611397842 is a deficient number, since it is larger than the sum of its proper divisors (416112430).

611397842 is a wasteful number, since it uses less digits than its factorization.

611397842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751153.

The product of its digits is 72576, while the sum is 41.

The square root of 611397842 is about 24726.4603613214. The cubic root of 611397842 is about 848.7399285636.

The spelling of 611397842 in words is "six hundred eleven million, three hundred ninety-seven thousand, eight hundred forty-two".