862868403 has 8 divisors (see below), whose sum is σ = 1278323600. Its totient is φ = 575245584.

The previous prime is 862868393. The next prime is 862868417. The reversal of 862868403 is 304868268.

It is a happy number.

It is not a de Polignac number, because 862868403 - 2¹⁴ = 862852019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (862868423) 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, 15979018 + ... + 15979071.

It is an arithmetic number, because the mean of its divisors is an integer number (159790450).

Almost surely, 2^862868403 is an apocalyptic number.

862868403 is a deficient number, since it is larger than the sum of its proper divisors (415455197).

862868403 is a wasteful number, since it uses less digits than its factorization.

862868403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31958098 (or 31958092 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 862868403 is about 29374.6217507562. The cubic root of 862868403 is about 952.0246397331.

The spelling of 862868403 in words is "eight hundred sixty-two million, eight hundred sixty-eight thousand, four hundred three".