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99998961 = 333332987
BaseRepresentation
bin1011111010111…
…01110011110001
320222011110210020
411331131303301
5201044431321
613531154053
72322656106
oct575356361
9228143706
1099998961
11514a0777
12295a5929
13179431aa
14d3d0aad
158ba44c6
hex5f5dcf1

99998961 has 4 divisors (see below), whose sum is σ = 133331952. Its totient is φ = 66665972.

The previous prime is 99998953. The next prime is 99998971. The reversal of 99998961 is 16989999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99998961 - 23 = 99998953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99998895 and 99998904.

It is not an unprimeable number, because it can be changed into a prime (99998971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16666491 + ... + 16666496.

It is an arithmetic number, because the mean of its divisors is an integer number (33332988).

Almost surely, 299998961 is an apocalyptic number.

It is an amenable number.

99998961 is a deficient number, since it is larger than the sum of its proper divisors (33332991).

99998961 is a wasteful number, since it uses less digits than its factorization.

99998961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33332990.

The product of its digits is 2834352, while the sum is 60.

The square root of 99998961 is about 9999.9480498651. The cubic root of 99998961 is about 464.1572758188.

The spelling of 99998961 in words is "ninety-nine million, nine hundred ninety-eight thousand, nine hundred sixty-one".

Divisors: 1 3 33332987 99998961