868571438 has 16 divisors (see below), whose sum is σ = 1489554144. Its totient is φ = 372101280.

The previous prime is 868571399. The next prime is 868571443. The reversal of 868571438 is 834175868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30908 + ... + 51888.

It is an arithmetic number, because the mean of its divisors is an integer number (93097134).

Almost surely, 2^868571438 is an apocalyptic number.

868571438 is a deficient number, since it is larger than the sum of its proper divisors (620982706).

868571438 is a wasteful number, since it uses less digits than its factorization.

868571438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23947.

The product of its digits is 1290240, while the sum is 50.

The square root of 868571438 is about 29471.5360644809. The cubic root of 868571438 is about 954.1174701924.

The spelling of 868571438 in words is "eight hundred sixty-eight million, five hundred seventy-one thousand, four hundred thirty-eight".