189001512 has 384 divisors, whose sum is σ = 691891200. Its totient is φ = 47029248.

The previous prime is 189001507. The next prime is 189001559. The reversal of 189001512 is 215100981.

It is a super-2 number, since 2×189001512² = 71443143076572288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 4395363 + ... + 4395405.

It is an arithmetic number, because the mean of its divisors is an integer number (1801800).

Almost surely, 2^189001512 is an apocalyptic number.

189001512 is a gapful number since it is divisible by the number (12) 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 189001512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345945600).

189001512 is an abundant number, since it is smaller than the sum of its proper divisors (502889688).

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

189001512 is a wasteful number, since it uses less digits than its factorization.

189001512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 189001512 is about 13747.7820756659. The cubic root of 189001512 is about 573.8808851726.

The spelling of 189001512 in words is "one hundred eighty-nine million, one thousand, five hundred twelve".