99505494 has 24 divisors (see below), whose sum is σ = 235195272. Its totient is φ = 30153120.

The previous prime is 99505493. The next prime is 99505507. The reversal of 99505494 is 49450599.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99505493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251079 + ... + 251474.

It is an arithmetic number, because the mean of its divisors is an integer number (9799803).

Almost surely, 2^99505494 is an apocalyptic number.

99505494 is an abundant number, since it is smaller than the sum of its proper divisors (135689778).

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

99505494 is a wasteful number, since it uses less digits than its factorization.

99505494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502572 (or 502569 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 99505494 is about 9975.2440571647. The cubic root of 99505494 is about 463.3925208909.

It can be divided in two parts, 99505 and 494, that added together give a palindrome (99999).

The spelling of 99505494 in words is "ninety-nine million, five hundred five thousand, four hundred ninety-four".