863265426 has 32 divisors (see below), whose sum is σ = 1782285120. Its totient is φ = 278542656.

The previous prime is 863265413. The next prime is 863265427. The reversal of 863265426 is 624562368.

It is a happy number.

It is a super-2 number, since 2×863265426² = 1490454391453922952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (863265427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33865 + ... + 53603.

It is an arithmetic number, because the mean of its divisors is an integer number (55696410).

Almost surely, 2^863265426 is an apocalyptic number.

863265426 is an abundant number, since it is smaller than the sum of its proper divisors (919019694).

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

863265426 is a wasteful number, since it uses less digits than its factorization.

863265426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19978.

The product of its digits is 414720, while the sum is 42.

The square root of 863265426 is about 29381.3788988876. The cubic root of 863265426 is about 952.1706325329.

The spelling of 863265426 in words is "eight hundred sixty-three million, two hundred sixty-five thousand, four hundred twenty-six".