655603942 has 16 divisors (see below), whose sum is σ = 1124416512. Its totient is φ = 280842120.

The previous prime is 655603849. The next prime is 655603951. The reversal of 655603942 is 249306556.

It is a junction number, because it is equal to n+sod(n) for n = 655603895 and 655603904.

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, 24043 + ... + 43465.

It is an arithmetic number, because the mean of its divisors is an integer number (70276032).

Almost surely, 2^655603942 is an apocalyptic number.

655603942 is a deficient number, since it is larger than the sum of its proper divisors (468812570).

655603942 is a wasteful number, since it uses less digits than its factorization.

655603942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21843.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 655603942 is about 25604.7640489031. The cubic root of 655603942 is about 868.7213974538.

The spelling of 655603942 in words is "six hundred fifty-five million, six hundred three thousand, nine hundred forty-two".