387620460 has 72 divisors (see below), whose sum is σ = 1193368176. Its totient is φ = 101819520.

The previous prime is 387620419. The next prime is 387620483. The reversal of 387620460 is 64026783.

It is a super-2 number, since 2×387620460² = 300499242021223200, which contains 22 as substring.

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

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, 4011 + ... + 28130.

It is an arithmetic number, because the mean of its divisors is an integer number (16574558).

Almost surely, 2^387620460 is an apocalyptic number.

387620460 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 387620460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596684088).

387620460 is an abundant number, since it is smaller than the sum of its proper divisors (805747716).

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

387620460 is a wasteful number, since it uses less digits than its factorization.

387620460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32223 (or 32218 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 387620460 is about 19688.0791343391. The cubic root of 387620460 is about 729.1254053314.

It can be divided in two parts, 3876 and 20460, that added together give a square (24336 = 156²).

The spelling of 387620460 in words is "three hundred eighty-seven million, six hundred twenty thousand, four hundred sixty".