99926644 has 6 divisors (see below), whose sum is σ = 174871634. Its totient is φ = 49963320.

The previous prime is 99926641. The next prime is 99926657. The reversal of 99926644 is 44662999.

It can be written as a sum of positive squares in only one way, i.e., 80460900 + 19465744 = 8970^2 + 4412^2 .

It is a super-2 number, since 2×99926644² = 19970668362205472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99926641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12490827 + ... + 12490834.

Almost surely, 2^99926644 is an apocalyptic number.

It is an amenable number.

99926644 is a deficient number, since it is larger than the sum of its proper divisors (74944990).

99926644 is a wasteful number, since it uses less digits than its factorization.

99926644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24981665 (or 24981663 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The square root of 99926644 is about 9996.3315271153. The cubic root of 99926644 is about 464.0453594677.

The spelling of 99926644 in words is "ninety-nine million, nine hundred twenty-six thousand, six hundred forty-four".