427124889 has 15 divisors (see below), whose sum is σ = 624482053. Its totient is φ = 281319204.

The previous prime is 427124869. The next prime is 427124897. The reversal of 427124889 is 988421724.

The square root of 427124889 is 20667.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 427124889 - 2⁵ = 427124857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427124809) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5146042 + ... + 5146124.

Almost surely, 2^427124889 is an apocalyptic number.

427124889 is the 20667-th square number.

427124889 is the 10334-th centered octagonal number.

It is an amenable number.

427124889 is a deficient number, since it is larger than the sum of its proper divisors (197357164).

427124889 is an frugal number, since it uses more digits than its factorization.

427124889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 86 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The cubic root of 427124889 is about 753.0982290123.

It can be divided in two parts, 427 and 124889, that added together give a square (125316 = 354²).

The spelling of 427124889 in words is "four hundred twenty-seven million, one hundred twenty-four thousand, eight hundred eighty-nine".