99272649 has 16 divisors (see below), whose sum is σ = 152183808. Its totient is φ = 56385552.

The previous prime is 99272609. The next prime is 99272651. The reversal of 99272649 is 94627299.

It is not a de Polignac number, because 99272649 - 2¹³ = 99264457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99272598 and 99272607.

It is not an unprimeable number, because it can be changed into a prime (99272609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10647 + ... + 17660.

It is an arithmetic number, because the mean of its divisors is an integer number (9511488).

Almost surely, 2^99272649 is an apocalyptic number.

It is an amenable number.

99272649 is a deficient number, since it is larger than the sum of its proper divisors (52911159).

99272649 is a wasteful number, since it uses less digits than its factorization.

99272649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28484.

The product of its digits is 489888, while the sum is 48.

The square root of 99272649 is about 9963.5660784681. The cubic root of 99272649 is about 463.0307890961.

The spelling of 99272649 in words is "ninety-nine million, two hundred seventy-two thousand, six hundred forty-nine".