380478620 has 48 divisors (see below), whose sum is σ = 826196448. Its totient is φ = 147087360.

The previous prime is 380478619. The next prime is 380478643. The reversal of 380478620 is 26874083.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81140 + ... + 85700.

It is an arithmetic number, because the mean of its divisors is an integer number (17212426).

Almost surely, 2^380478620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380478620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413098224).

380478620 is an abundant number, since it is smaller than the sum of its proper divisors (445717828).

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

380478620 is a wasteful number, since it uses less digits than its factorization.

380478620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710 (or 4708 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 380478620 is about 19505.8611704277. The cubic root of 380478620 is about 724.6196149652.

The spelling of 380478620 in words is "three hundred eighty million, four hundred seventy-eight thousand, six hundred twenty".