387140472 has 160 divisors (see below), whose sum is σ = 1134970320. Its totient is φ = 123171840.

The previous prime is 387140449. The next prime is 387140503. The reversal of 387140472 is 274041783.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1606272 + ... + 1606512.

Almost surely, 2^387140472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387140472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567485160).

387140472 is an abundant number, since it is smaller than the sum of its proper divisors (747829848).

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

387140472 is a wasteful number, since it uses less digits than its factorization.

387140472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 387140472 is about 19675.8855455098. The cubic root of 387140472 is about 728.8243238729.

The spelling of 387140472 in words is "three hundred eighty-seven million, one hundred forty thousand, four hundred seventy-two".