380167638 has 16 divisors (see below), whose sum is σ = 768174960. Its totient is φ = 125415936.

The previous prime is 380167607. The next prime is 380167661. The reversal of 380167638 is 836761083.

It is a self number, because there is not a number n which added to its sum of digits gives 380167638.

It is a congruent number.

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, 326023 + ... + 327186.

It is an arithmetic number, because the mean of its divisors is an integer number (48010935).

Almost surely, 2^380167638 is an apocalyptic number.

380167638 is an abundant number, since it is smaller than the sum of its proper divisors (388007322).

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

380167638 is a wasteful number, since it uses less digits than its factorization.

380167638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653311.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 380167638 is about 19497.8880394775. Note that the first 3 decimals coincide. The cubic root of 380167638 is about 724.4221399363.

It can be divided in two parts, 38016 and 7638, that added together give a palindrome (45654).

The spelling of 380167638 in words is "three hundred eighty million, one hundred sixty-seven thousand, six hundred thirty-eight".