99524397 has 8 divisors (see below), whose sum is σ = 151656256. Its totient is φ = 56871072.

The previous prime is 99524389. The next prime is 99524429. The reversal of 99524397 is 79342599.

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

It is not a de Polignac number, because 99524397 - 2³ = 99524389 is a prime.

It is a super-4 number, since 4×99524397⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99524497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369608 + ... + 2369649.

It is an arithmetic number, because the mean of its divisors is an integer number (18957032).

Almost surely, 2^99524397 is an apocalyptic number.

It is an amenable number.

99524397 is a deficient number, since it is larger than the sum of its proper divisors (52131859).

99524397 is a wasteful number, since it uses less digits than its factorization.

99524397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739267.

The product of its digits is 612360, while the sum is 48.

The square root of 99524397 is about 9976.1915077849. The cubic root of 99524397 is about 463.4218625010.

The spelling of 99524397 in words is "ninety-nine million, five hundred twenty-four thousand, three hundred ninety-seven".