427251858 has 64 divisors (see below), whose sum is σ = 966574080. Its totient is φ = 124732800.

The previous prime is 427251823. The next prime is 427251901. The reversal of 427251858 is 858152724.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750598 + ... + 751166.

It is an arithmetic number, because the mean of its divisors is an integer number (15102720).

Almost surely, 2^427251858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427251858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483287040).

427251858 is an abundant number, since it is smaller than the sum of its proper divisors (539322222).

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

427251858 is a wasteful number, since it uses less digits than its factorization.

427251858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983.

The product of its digits is 179200, while the sum is 42.

The square root of 427251858 is about 20670.0715528515. The cubic root of 427251858 is about 753.1728447030.

The spelling of 427251858 in words is "four hundred twenty-seven million, two hundred fifty-one thousand, eight hundred fifty-eight".