99613958 has 8 divisors (see below), whose sum is σ = 149483880. Its totient is φ = 49786000.

The previous prime is 99613957. The next prime is 99613963. The reversal of 99613958 is 85931699.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99613951) 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, 3668 + ... + 14583.

It is an arithmetic number, because the mean of its divisors is an integer number (18685485).

Almost surely, 2^99613958 is an apocalyptic number.

99613958 is a deficient number, since it is larger than the sum of its proper divisors (49869922).

99613958 is a wasteful number, since it uses less digits than its factorization.

99613958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20982.

The product of its digits is 524880, while the sum is 50.

The square root of 99613958 is about 9980.6792354028. The cubic root of 99613958 is about 463.5608303757.

The spelling of 99613958 in words is "ninety-nine million, six hundred thirteen thousand, nine hundred fifty-eight".