387976225 has 24 divisors (see below), whose sum is σ = 592114880. Its totient is φ = 245574720.

The previous prime is 387976223. The next prime is 387976231. The reversal of 387976225 is 522679783.

It is not a de Polignac number, because 387976225 - 2¹ = 387976223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387976223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82995 + ... + 87544.

Almost surely, 2^387976225 is an apocalyptic number.

387976225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

387976225 is a deficient number, since it is larger than the sum of its proper divisors (204138655).

387976225 is a wasteful number, since it uses less digits than its factorization.

387976225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170569 (or 170564 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 387976225 is about 19697.1120979701. The cubic root of 387976225 is about 729.3484052391.

The spelling of 387976225 in words is "three hundred eighty-seven million, nine hundred seventy-six thousand, two hundred twenty-five".