427431558 has 32 divisors (see below), whose sum is σ = 863665920. Its totient is φ = 141017760.

The previous prime is 427431553. The next prime is 427431559. The reversal of 427431558 is 855134724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427431553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292233 + ... + 293691.

It is an arithmetic number, because the mean of its divisors is an integer number (26989560).

Almost surely, 2^427431558 is an apocalyptic number.

427431558 is an abundant number, since it is smaller than the sum of its proper divisors (436234362).

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

427431558 is a wasteful number, since it uses less digits than its factorization.

427431558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932.

The product of its digits is 134400, while the sum is 39.

The square root of 427431558 is about 20674.4179603683. The cubic root of 427431558 is about 753.2784234827.

It can be divided in two parts, 427 and 431558, that added together give a triangular number (431985 = T₉₂₉).

The spelling of 427431558 in words is "four hundred twenty-seven million, four hundred thirty-one thousand, five hundred fifty-eight".