379564780 has 72 divisors (see below), whose sum is σ = 981808128. Its totient is φ = 122476032.

The previous prime is 379564751. The next prime is 379564813. The reversal of 379564780 is 87465973.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5269 + ... + 28051.

It is an arithmetic number, because the mean of its divisors is an integer number (13636224).

Almost surely, 2^379564780 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 379564780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490904064).

379564780 is an abundant number, since it is smaller than the sum of its proper divisors (602243348).

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

379564780 is a wasteful number, since it uses less digits than its factorization.

379564780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22823 (or 22814 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 379564780 is about 19482.4223339912. The cubic root of 379564780 is about 724.0390153267.

The spelling of 379564780 in words is "three hundred seventy-nine million, five hundred sixty-four thousand, seven hundred eighty".