99998950 has 12 divisors (see below), whose sum is σ = 185998140. Its totient is φ = 39999560.

The previous prime is 99998933. The next prime is 99998953. The reversal of 99998950 is 5989999.

It is a super-2 number, since 2×99998950² = 19999580002205000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99998953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 999940 + ... + 1000039.

It is an arithmetic number, because the mean of its divisors is an integer number (15499845).

Almost surely, 2^99998950 is an apocalyptic number.

99998950 is a deficient number, since it is larger than the sum of its proper divisors (85999190).

99998950 is a wasteful number, since it uses less digits than its factorization.

99998950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999991 (or 1999986 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 58.

The square root of 99998950 is about 9999.9474998622. The cubic root of 99998950 is about 464.1572587995.

The spelling of 99998950 in words is "ninety-nine million, nine hundred ninety-eight thousand, nine hundred fifty".