387437172 has 24 divisors (see below), whose sum is σ = 915465600. Its totient is φ = 127510656.

The previous prime is 387437153. The next prime is 387437179. The reversal of 387437172 is 271734783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387437179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203397 + ... + 205292.

It is an arithmetic number, because the mean of its divisors is an integer number (38144400).

Almost surely, 2^387437172 is an apocalyptic number.

It is an amenable number.

387437172 is an abundant number, since it is smaller than the sum of its proper divisors (528028428).

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

387437172 is a wasteful number, since it uses less digits than its factorization.

387437172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408775 (or 408773 counting only the distinct ones).

The product of its digits is 197568, while the sum is 42.

The square root of 387437172 is about 19683.4237875427. The cubic root of 387437172 is about 729.0104638524.

The spelling of 387437172 in words is "three hundred eighty-seven million, four hundred thirty-seven thousand, one hundred seventy-two".