350638940 has 24 divisors (see below), whose sum is σ = 779656752. Its totient is φ = 132005120.

The previous prime is 350638931. The next prime is 350638943. The reversal of 350638940 is 49836053.

It is a junction number, because it is equal to n+sod(n) for n = 350638894 and 350638903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350638943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515306 + ... + 515985.

It is an arithmetic number, because the mean of its divisors is an integer number (32485698).

Almost surely, 2^350638940 is an apocalyptic number.

It is an amenable number.

350638940 is an abundant number, since it is smaller than the sum of its proper divisors (429017812).

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

350638940 is a wasteful number, since it uses less digits than its factorization.

350638940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031317 (or 1031315 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 350638940 is about 18725.3555373456. The cubic root of 350638940 is about 705.1584507121.

The spelling of 350638940 in words is "three hundred fifty million, six hundred thirty-eight thousand, nine hundred forty".