99535974 has 12 divisors (see below), whose sum is σ = 199120836. Its totient is φ = 33170512.

The previous prime is 99535967. The next prime is 99535991. The reversal of 99535974 is 47953599.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22402 + ... + 26474.

It is an arithmetic number, because the mean of its divisors is an integer number (16593403).

Almost surely, 2^99535974 is an apocalyptic number.

99535974 is an abundant number, since it is smaller than the sum of its proper divisors (99584862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99535974 is an frugal number, since it uses more digits than its factorization.

99535974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8151 (or 4078 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 51.

The square root of 99535974 is about 9976.7717223559. The cubic root of 99535974 is about 463.4398307146.

The spelling of 99535974 in words is "ninety-nine million, five hundred thirty-five thousand, nine hundred seventy-four".