63246906 has 20 divisors (see below), whose sum is σ = 141720282. Its totient is φ = 21082248.

The previous prime is 63246901. The next prime is 63246917. The reversal of 63246906 is 60964236.

It can be written as a sum of positive squares in only one way, i.e., 58384881 + 4862025 = 7641^2 + 2205^2 .

It is a super-2 number, since 2×63246906² = 8000342237145672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63246901) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 195045 + ... + 195368.

Almost surely, 2^63246906 is an apocalyptic number.

63246906 is an abundant number, since it is smaller than the sum of its proper divisors (78473376).

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

63246906 is a wasteful number, since it uses less digits than its factorization.

63246906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390427 (or 390418 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 63246906 is about 7952.7923398012. The cubic root of 63246906 is about 398.4248596405.

The spelling of 63246906 in words is "sixty-three million, two hundred forty-six thousand, nine hundred six".