427389156 has 48 divisors (see below), whose sum is σ = 1126843200. Its totient is φ = 140046336.

The previous prime is 427389139. The next prime is 427389217. The reversal of 427389156 is 651983724.

It is a super-2 number, since 2×427389156² = 365322981332784672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27165 + ... + 39908.

It is an arithmetic number, because the mean of its divisors is an integer number (23475900).

Almost surely, 2^427389156 is an apocalyptic number.

It is an amenable number.

427389156 is an abundant number, since it is smaller than the sum of its proper divisors (699454044).

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

427389156 is a wasteful number, since it uses less digits than its factorization.

427389156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67145 (or 67137 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 427389156 is about 20673.3924647117. The cubic root of 427389156 is about 753.2535137887.

The spelling of 427389156 in words is "four hundred twenty-seven million, three hundred eighty-nine thousand, one hundred fifty-six".