99662240 has 24 divisors (see below), whose sum is σ = 235452420. Its totient is φ = 39864832.

The previous prime is 99662221. The next prime is 99662281. The reversal of 99662240 is 4226699.

It can be written as a sum of positive squares in 2 ways, for example, as 95804944 + 3857296 = 9788^2 + 1964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99662194 and 99662203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311285 + ... + 311604.

Almost surely, 2^99662240 is an apocalyptic number.

It is an amenable number.

99662240 is an abundant number, since it is smaller than the sum of its proper divisors (135790180).

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

99662240 is a wasteful number, since it uses less digits than its factorization.

99662240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622904 (or 622896 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 99662240 is about 9983.0977156392. The cubic root of 99662240 is about 463.6357128834.

It can be divided in two parts, 996 and 62240, that added together give a palindrome (63236).

The spelling of 99662240 in words is "ninety-nine million, six hundred sixty-two thousand, two hundred forty".