99951415 has 8 divisors (see below), whose sum is σ = 126997200. Its totient is φ = 75257472.

The previous prime is 99951407. The next prime is 99951421. The reversal of 99951415 is 51415999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99951415 - 2³ = 99951407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587865 + ... + 588034.

It is an arithmetic number, because the mean of its divisors is an integer number (15874650).

Almost surely, 2^99951415 is an apocalyptic number.

99951415 is a deficient number, since it is larger than the sum of its proper divisors (27045785).

99951415 is a wasteful number, since it uses less digits than its factorization.

99951415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175921.

The product of its digits is 72900, while the sum is 43.

The square root of 99951415 is about 9997.5704548655. The cubic root of 99951415 is about 464.0837006530.

The spelling of 99951415 in words is "ninety-nine million, nine hundred fifty-one thousand, four hundred fifteen".