387274456 has 8 divisors (see below), whose sum is σ = 726139620. Its totient is φ = 193637224.

The previous prime is 387274453. The next prime is 387274457. The reversal of 387274456 is 654472783.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387274453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24204646 + ... + 24204661.

Almost surely, 2^387274456 is an apocalyptic number.

It is an amenable number.

387274456 is a deficient number, since it is larger than the sum of its proper divisors (338865164).

387274456 is a wasteful number, since it uses less digits than its factorization.

387274456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48409313 (or 48409309 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 46.

The square root of 387274456 is about 19679.2900278440. The cubic root of 387274456 is about 728.9083928713.

The spelling of 387274456 in words is "three hundred eighty-seven million, two hundred seventy-four thousand, four hundred fifty-six".