390233442 has 16 divisors (see below), whose sum is σ = 780957792. Its totient is φ = 129996000.

The previous prime is 390233423. The next prime is 390233461. The reversal of 390233442 is 244332093.

It is an interprime number because it is at equal distance from previous prime (390233423) and next prime (390233461).

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, 9684 + ... + 29567.

It is an arithmetic number, because the mean of its divisors is an integer number (48809862).

Almost surely, 2^390233442 is an apocalyptic number.

390233442 is an abundant number, since it is smaller than the sum of its proper divisors (390724350).

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

390233442 is a wasteful number, since it uses less digits than its factorization.

390233442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40913.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 390233442 is about 19754.3271715338. The cubic root of 390233442 is about 730.7601027552.

The spelling of 390233442 in words is "three hundred ninety million, two hundred thirty-three thousand, four hundred forty-two".