387032880 has 160 divisors (see below), whose sum is σ = 1368287424. Its totient is φ = 89653248.

The previous prime is 387032879. The next prime is 387032887. The reversal of 387032880 is 88230783.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (387032887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49392 + ... + 56688.

Almost surely, 2^387032880 is an apocalyptic number.

387032880 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 387032880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684143712).

387032880 is an abundant number, since it is smaller than the sum of its proper divisors (981254544).

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

387032880 is a wasteful number, since it uses less digits than its factorization.

387032880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7343 (or 7337 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 387032880 is about 19673.1512473218. The cubic root of 387032880 is about 728.7568006372.

The spelling of 387032880 in words is "three hundred eighty-seven million, thirty-two thousand, eight hundred eighty".