380098638 has 48 divisors (see below), whose sum is σ = 839644416. Its totient is φ = 124241040.

The previous prime is 380098637. The next prime is 380098643. The reversal of 380098638 is 836890083.

380098638 is a `hidden beast` number, since 3 + 8 + 0 + 0 + 9 + 8 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 380098593 and 380098602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380098633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326245 + ... + 327407.

It is an arithmetic number, because the mean of its divisors is an integer number (17492592).

Almost surely, 2^380098638 is an apocalyptic number.

380098638 is an abundant number, since it is smaller than the sum of its proper divisors (459545778).

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

380098638 is a wasteful number, since it uses less digits than its factorization.

380098638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 380098638 is about 19496.1185367755. The cubic root of 380098638 is about 724.3783100158.

The spelling of 380098638 in words is "three hundred eighty million, ninety-eight thousand, six hundred thirty-eight".