389167800 has 384 divisors, whose sum is σ = 1476096000. Its totient is φ = 84672000.

The previous prime is 389167799. The next prime is 389167811. The reversal of 389167800 is 8761983.

389167800 = T₂₃₁ + T₂₃₂ + ... + T₁₃₂₈.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6379770 + ... + 6379830.

It is an arithmetic number, because the mean of its divisors is an integer number (3844000).

Almost surely, 2^389167800 is an apocalyptic number.

389167800 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 389167800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738048000).

389167800 is an abundant number, since it is smaller than the sum of its proper divisors (1086928200).

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

389167800 is a wasteful number, since it uses less digits than its factorization.

389167800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 389167800 is about 19727.3363635337. The cubic root of 389167800 is about 730.0943144546.

The spelling of 389167800 in words is "three hundred eighty-nine million, one hundred sixty-seven thousand, eight hundred".