938888490 has 16 divisors (see below), whose sum is σ = 2253332448. Its totient is φ = 250370256.

The previous prime is 938888471. The next prime is 938888527. The reversal of 938888490 is 94888839.

It is a self number, because there is not a number n which added to its sum of digits gives 938888490.

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, 15648112 + ... + 15648171.

It is an arithmetic number, because the mean of its divisors is an integer number (140833278).

Almost surely, 2^938888490 is an apocalyptic number.

938888490 is an abundant number, since it is smaller than the sum of its proper divisors (1314443958).

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

938888490 is a wasteful number, since it uses less digits than its factorization.

938888490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31296293.

The product of its (nonzero) digits is 3981312, while the sum is 57.

The square root of 938888490 is about 30641.2873424078. The cubic root of 938888490 is about 979.1998501344.

It can be divided in two parts, 93888 and 8490, that added together give a triangular number (102378 = T₄₅₂).

The spelling of 938888490 in words is "nine hundred thirty-eight million, eight hundred eighty-eight thousand, four hundred ninety".