99531446 has 12 divisors (see below), whose sum is σ = 173672388. Its totient is φ = 42656292.

The previous prime is 99531433. The next prime is 99531449. The reversal of 99531446 is 64413599.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99531449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 507716 + ... + 507911.

It is an arithmetic number, because the mean of its divisors is an integer number (14472699).

Almost surely, 2^99531446 is an apocalyptic number.

99531446 is a deficient number, since it is larger than the sum of its proper divisors (74140942).

99531446 is a wasteful number, since it uses less digits than its factorization.

99531446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015643 (or 1015636 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 99531446 is about 9976.5447926624. The cubic root of 99531446 is about 463.4328031470.

The spelling of 99531446 in words is "ninety-nine million, five hundred thirty-one thousand, four hundred forty-six".