387850680 has 320 divisors, whose sum is σ = 1524600000. Its totient is φ = 88397568.

The previous prime is 387850663. The next prime is 387850681. The reversal of 387850680 is 86058783.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387850681) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1111146 + ... + 1111494.

It is an arithmetic number, because the mean of its divisors is an integer number (4764375).

Almost surely, 2^387850680 is an apocalyptic number.

387850680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387850680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762300000).

387850680 is an abundant number, since it is smaller than the sum of its proper divisors (1136749320).

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

387850680 is a wasteful number, since it uses less digits than its factorization.

387850680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 387850680 is about 19693.9249516190. The cubic root of 387850680 is about 729.2697269439.

The spelling of 387850680 in words is "three hundred eighty-seven million, eight hundred fifty thousand, six hundred eighty".