3189661572 has 24 divisors (see below), whose sum is σ = 7449876000. Its totient is φ = 1062173056.

The previous prime is 3189661571. The next prime is 3189661583. The reversal of 3189661572 is 2751669813.

It is a super-2 number, since 2×3189661572² = 20347881887787022368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3189661571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118197 + ... + 142652.

It is an arithmetic number, because the mean of its divisors is an integer number (310411500).

Almost surely, 2^3189661572 is an apocalyptic number.

It is an amenable number.

3189661572 is an abundant number, since it is smaller than the sum of its proper divisors (4260214428).

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

3189661572 is a wasteful number, since it uses less digits than its factorization.

3189661572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261875 (or 261873 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 3189661572 is about 56477.0889122306. The cubic root of 3189661572 is about 1472.0239250847.

The spelling of 3189661572 in words is "three billion, one hundred eighty-nine million, six hundred sixty-one thousand, five hundred seventy-two".