858054402 has 36 divisors (see below), whose sum is σ = 1962130950. Its totient is φ = 270962496.

The previous prime is 858054401. The next prime is 858054403. The reversal of 858054402 is 204450858.

It is an interprime number because it is at equal distance from previous prime (858054401) and next prime (858054403).

It can be written as a sum of positive squares in only one way, i.e., 696484881 + 161569521 = 26391^2 + 12711^2 .

It is not an unprimeable number, because it can be changed into a prime (858054401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 59527 + ... + 72522.

Almost surely, 2^858054402 is an apocalyptic number.

858054402 is an abundant number, since it is smaller than the sum of its proper divisors (1104076548).

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

858054402 is a wasteful number, since it uses less digits than its factorization.

858054402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132095 (or 132073 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 858054402 is about 29292.5656438626. The cubic root of 858054402 is about 950.2508670809.

The spelling of 858054402 in words is "eight hundred fifty-eight million, fifty-four thousand, four hundred two".