838930365 has 240 divisors, whose sum is σ = 1989681408. Its totient is φ = 329951232.

The previous prime is 838930361. The next prime is 838930369. The reversal of 838930365 is 563039838.

It is an interprime number because it is at equal distance from previous prime (838930361) and next prime (838930369).

It is not a de Polignac number, because 838930365 - 2² = 838930361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 838930365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838930361) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 8144904 + ... + 8145006.

Almost surely, 2^838930365 is an apocalyptic number.

838930365 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

838930365 is an abundant number, since it is smaller than the sum of its proper divisors (1150751043).

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

838930365 is a wasteful number, since it uses less digits than its factorization.

838930365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 838930365 is about 28964.2946573881. The cubic root of 838930365 is about 943.1381330456.

The spelling of 838930365 in words is "eight hundred thirty-eight million, nine hundred thirty thousand, three hundred sixty-five".