387441700 has 18 divisors (see below), whose sum is σ = 840748706. Its totient is φ = 154976640.

The previous prime is 387441661. The next prime is 387441721. The reversal of 387441700 is 7144783.

It can be written as a sum of positive squares in 3 ways, for example, as 4769856 + 382671844 = 2184^2 + 19562^2 .

It is a super-2 number, since 2×387441700² = 300222141797780000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1937109 + ... + 1937308.

Almost surely, 2^387441700 is an apocalyptic number.

It is an amenable number.

387441700 is an abundant number, since it is smaller than the sum of its proper divisors (453307006).

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

387441700 is a wasteful number, since it uses less digits than its factorization.

387441700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874431 (or 3874424 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 387441700 is about 19683.5388078465. The cubic root of 387441700 is about 729.0133038367.

The spelling of 387441700 in words is "three hundred eighty-seven million, four hundred forty-one thousand, seven hundred".