355920438 has 32 divisors (see below), whose sum is σ = 723456000. Its totient is φ = 116715456.

The previous prime is 355920437. The next prime is 355920463. The reversal of 355920438 is 834029553.

355920438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×355920438² = 253358716372223688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 355920396 and 355920405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355920431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147163 + ... + 149561.

It is an arithmetic number, because the mean of its divisors is an integer number (22608000).

Almost surely, 2^355920438 is an apocalyptic number.

355920438 is an abundant number, since it is smaller than the sum of its proper divisors (367535562).

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

355920438 is a wasteful number, since it uses less digits than its factorization.

355920438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 355920438 is about 18865.8537575165. The cubic root of 355920438 is about 708.6813041799.

The spelling of 355920438 in words is "three hundred fifty-five million, nine hundred twenty thousand, four hundred thirty-eight".