387783952 has 20 divisors (see below), whose sum is σ = 751733136. Its totient is φ = 193788320.

The previous prime is 387783919. The next prime is 387784003. The reversal of 387783952 is 259387783.

Its product of digits (2540160) is a multiple of the sum of its prime divisors (12960).

It is a self number, because there is not a number n which added to its sum of digits gives 387783952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30927 + ... + 41617.

Almost surely, 2^387783952 is an apocalyptic number.

It is an amenable number.

387783952 is a deficient number, since it is larger than the sum of its proper divisors (363949184).

387783952 is a wasteful number, since it uses less digits than its factorization.

387783952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12966 (or 12960 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 387783952 is about 19692.2307522535. The cubic root of 387783952 is about 729.2279019978.

The spelling of 387783952 in words is "three hundred eighty-seven million, seven hundred eighty-three thousand, nine hundred fifty-two".