387161400 has 96 divisors (see below), whose sum is σ = 1270833840. Its totient is φ = 97167360.

The previous prime is 387161399. The next prime is 387161429. The reversal of 387161400 is 4161783.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8779 + ... + 29178.

Almost surely, 2^387161400 is an apocalyptic number.

387161400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

387161400 is an abundant number, since it is smaller than the sum of its proper divisors (883672440).

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

387161400 is a wasteful number, since it uses less digits than its factorization.

387161400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37993 (or 37984 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 387161400 is about 19676.4173568259. The cubic root of 387161400 is about 728.8374565398.

The spelling of 387161400 in words is "three hundred eighty-seven million, one hundred sixty-one thousand, four hundred".