864419262 has 16 divisors (see below), whose sum is σ = 1975815552. Its totient is φ = 246976920.

The previous prime is 864419261. The next prime is 864419267. The reversal of 864419262 is 262914468.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 20581411 = 864419262 / (8 + 6 + 4 + 4 + 1 + 9 + 2 + 6 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864419261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10290664 + ... + 10290747.

It is an arithmetic number, because the mean of its divisors is an integer number (123488472).

Almost surely, 2^864419262 is an apocalyptic number.

864419262 is an abundant number, since it is smaller than the sum of its proper divisors (1111396290).

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

864419262 is a wasteful number, since it uses less digits than its factorization.

864419262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20581423.

The product of its digits is 165888, while the sum is 42.

The square root of 864419262 is about 29401.0078398683. The cubic root of 864419262 is about 952.5946657450.

It can be divided in two parts, 86441 and 9262, that added together give a triangular number (95703 = T₄₃₇).

The spelling of 864419262 in words is "eight hundred sixty-four million, four hundred nineteen thousand, two hundred sixty-two".