387426320 has 40 divisors (see below), whose sum is σ = 902822424. Its totient is φ = 154616832.

The previous prime is 387426301. The next prime is 387426323. The reversal of 387426320 is 23624783.

It can be written as a sum of positive squares in 4 ways, for example, as 18939904 + 368486416 = 4352^2 + 19196^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (387426323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31262 + ... + 41858.

Almost surely, 2^387426320 is an apocalyptic number.

It is an amenable number.

387426320 is an abundant number, since it is smaller than the sum of its proper divisors (515396104).

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

387426320 is a wasteful number, since it uses less digits than its factorization.

387426320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11067 (or 11061 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 387426320 is about 19683.1481221882. The cubic root of 387426320 is about 729.0036573334.

The spelling of 387426320 in words is "three hundred eighty-seven million, four hundred twenty-six thousand, three hundred twenty".