387070344 has 24 divisors (see below), whose sum is σ = 1048315710. Its totient is φ = 129023424.

The previous prime is 387070319. The next prime is 387070349. The reversal of 387070344 is 443070783.

It can be written as a sum of positive squares in only one way, i.e., 386594244 + 476100 = 19662^2 + 690^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 387070299 and 387070308.

It is not an unprimeable number, because it can be changed into a prime (387070349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2687917 + ... + 2688060.

Almost surely, 2^387070344 is an apocalyptic number.

It is an amenable number.

387070344 is an abundant number, since it is smaller than the sum of its proper divisors (661245366).

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

387070344 is a wasteful number, since it uses less digits than its factorization.

387070344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375989 (or 5375982 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 387070344 is about 19674.1033849068. The cubic root of 387070344 is about 728.7803139400.

The spelling of 387070344 in words is "three hundred eighty-seven million, seventy thousand, three hundred forty-four".