398235950 has 24 divisors (see below), whose sum is σ = 846536592. Its totient is φ = 136537920.

The previous prime is 398235949. The next prime is 398235977. The reversal of 398235950 is 59532893.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568559 + ... + 569258.

It is an arithmetic number, because the mean of its divisors is an integer number (35272358).

Almost surely, 2^398235950 is an apocalyptic number.

398235950 is an abundant number, since it is smaller than the sum of its proper divisors (448300642).

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

398235950 is a wasteful number, since it uses less digits than its factorization.

398235950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137836 (or 1137831 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 398235950 is about 19955.8500194805. The cubic root of 398235950 is about 735.7215675996.

The spelling of 398235950 in words is "three hundred ninety-eight million, two hundred thirty-five thousand, nine hundred fifty".