387457404 has 24 divisors (see below), whose sum is σ = 957248208. Its totient is φ = 121555200.

The previous prime is 387457361. The next prime is 387457409. The reversal of 387457404 is 404754783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387457409) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 949447 + ... + 949854.

It is an arithmetic number, because the mean of its divisors is an integer number (39885342).

Almost surely, 2^387457404 is an apocalyptic number.

387457404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

387457404 is an abundant number, since it is smaller than the sum of its proper divisors (569790804).

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

387457404 is a wasteful number, since it uses less digits than its factorization.

387457404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899325 (or 1899323 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The square root of 387457404 is about 19683.9377158129. The cubic root of 387457404 is about 729.0231532930.

The spelling of 387457404 in words is "three hundred eighty-seven million, four hundred fifty-seven thousand, four hundred four".