99497740 has 12 divisors (see below), whose sum is σ = 208945296. Its totient is φ = 39799088.

The previous prime is 99497711. The next prime is 99497789. The reversal of 99497740 is 4779499.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2487424 + ... + 2487463.

It is an arithmetic number, because the mean of its divisors is an integer number (17412108).

Almost surely, 2^99497740 is an apocalyptic number.

It is an amenable number.

99497740 is an abundant number, since it is smaller than the sum of its proper divisors (109447556).

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

99497740 is a wasteful number, since it uses less digits than its factorization.

99497740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974896 (or 4974894 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 99497740 is about 9974.8553874229. The cubic root of 99497740 is about 463.3804839042.

It can be divided in two parts, 9949 and 7740, that added together give a square (17689 = 133²).

The spelling of 99497740 in words is "ninety-nine million, four hundred ninety-seven thousand, seven hundred forty".