99999562 has 32 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 45145920.

The previous prime is 99999551. The next prime is 99999563. The reversal of 99999562 is 26599999.

It is a junction number, because it is equal to n+sod(n) for n = 99999497 and 99999506.

It is not an unprimeable number, because it can be changed into a prime (99999563) 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, 321387 + ... + 321697.

It is an arithmetic number, because the mean of its divisors is an integer number (5159700).

Almost surely, 2^99999562 is an apocalyptic number.

99999562 is a deficient number, since it is larger than the sum of its proper divisors (65110838).

99999562 is a wasteful number, since it uses less digits than its factorization.

99999562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its digits is 3542940, while the sum is 58.

The square root of 99999562 is about 9999.9780999760. The cubic root of 99999562 is about 464.1582056883.

The spelling of 99999562 in words is "ninety-nine million, nine hundred ninety-nine thousand, five hundred sixty-two".