387828736 has 22 divisors (see below), whose sum is σ = 775280780. Its totient is φ = 193913856.

The previous prime is 387828647. The next prime is 387828751. The reversal of 387828736 is 637828783.

It is a super-2 number, since 2×387828736² = 300822256934715392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188346 + ... + 190393.

Almost surely, 2^387828736 is an apocalyptic number.

It is an amenable number.

387828736 is a deficient number, since it is larger than the sum of its proper divisors (387452044).

387828736 is an equidigital number, since it uses as much as digits as its factorization.

387828736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378759 (or 378741 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 387828736 is about 19693.3678176182. The cubic root of 387828736 is about 729.2559730282.

The spelling of 387828736 in words is "three hundred eighty-seven million, eight hundred twenty-eight thousand, seven hundred thirty-six".