859049408 has 28 divisors (see below), whose sum is σ = 1948202352. Its totient is φ = 368163840.

The previous prime is 859049357. The next prime is 859049417. The reversal of 859049408 is 804940958.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958313 + ... + 959208.

Almost surely, 2^859049408 is an apocalyptic number.

It is an amenable number.

859049408 is an abundant number, since it is smaller than the sum of its proper divisors (1089152944).

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

859049408 is a wasteful number, since it uses less digits than its factorization.

859049408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917540 (or 1917530 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 859049408 is about 29309.5446569884. The cubic root of 859049408 is about 950.6180310881.

The spelling of 859049408 in words is "eight hundred fifty-nine million, forty-nine thousand, four hundred eight".