99261481 has 8 divisors (see below), whose sum is σ = 108482400. Its totient is φ = 90073440.

The previous prime is 99261431. The next prime is 99261493. The reversal of 99261481 is 18416299.

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

It is a cyclic number.

It is not a de Polignac number, because 99261481 - 2¹⁵ = 99228713 is a prime.

It is a super-2 number, since 2×99261481² = 19705683220626722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99261431) 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, 1671 + ... + 14188.

It is an arithmetic number, because the mean of its divisors is an integer number (13560300).

Almost surely, 2^99261481 is an apocalyptic number.

It is an amenable number.

99261481 is a deficient number, since it is larger than the sum of its proper divisors (9220919).

99261481 is a wasteful number, since it uses less digits than its factorization.

99261481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16439.

The product of its digits is 31104, while the sum is 40.

The square root of 99261481 is about 9963.0056207954. The cubic root of 99261481 is about 463.0134250594.

The spelling of 99261481 in words is "ninety-nine million, two hundred sixty-one thousand, four hundred eighty-one".