389374020 has 192 divisors, whose sum is σ = 1393459200. Its totient is φ = 88421760.

The previous prime is 389374019. The next prime is 389374031. The reversal of 389374020 is 20473983.

It is a super-2 number, since 2×389374020² = 303224254901920800, 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 63 ways as a sum of consecutive naturals, for example, 903205 + ... + 903635.

It is an arithmetic number, because the mean of its divisors is an integer number (7257600).

Almost surely, 2^389374020 is an apocalyptic number.

389374020 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 389374020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696729600).

389374020 is an abundant number, since it is smaller than the sum of its proper divisors (1004085180).

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

389374020 is a wasteful number, since it uses less digits than its factorization.

389374020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 389374020 is about 19732.5624286356. The cubic root of 389374020 is about 730.2232506645.

The spelling of 389374020 in words is "three hundred eighty-nine million, three hundred seventy-four thousand, twenty".