99498742 has 16 divisors (see below), whose sum is σ = 170700192. Its totient is φ = 42609600.

The previous prime is 99498733. The next prime is 99498743. The reversal of 99498742 is 24789499.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99498742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99498743) 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, 28492 + ... + 31792.

It is an arithmetic number, because the mean of its divisors is an integer number (10668762).

Almost surely, 2^99498742 is an apocalyptic number.

99498742 is a deficient number, since it is larger than the sum of its proper divisors (71201450).

99498742 is a wasteful number, since it uses less digits than its factorization.

99498742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463.

The product of its digits is 1306368, while the sum is 52.

The square root of 99498742 is about 9974.9056135885. The cubic root of 99498742 is about 463.3820394024.

The spelling of 99498742 in words is "ninety-nine million, four hundred ninety-eight thousand, seven hundred forty-two".