99454390 has 16 divisors (see below), whose sum is σ = 204592032. Its totient is φ = 34098624.

The previous prime is 99454387. The next prime is 99454393. The reversal of 99454390 is 9345499.

It is an interprime number because it is at equal distance from previous prime (99454387) and next prime (99454393).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99454393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710319 + ... + 710458.

It is an arithmetic number, because the mean of its divisors is an integer number (12787002).

Almost surely, 2^99454390 is an apocalyptic number.

99454390 is an abundant number, since it is smaller than the sum of its proper divisors (105137642).

99454390 is a wasteful number, since it uses less digits than its factorization.

99454390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420791.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 99454390 is about 9972.6821868542. The cubic root of 99454390 is about 463.3131776451.

The spelling of 99454390 in words is "ninety-nine million, four hundred fifty-four thousand, three hundred ninety".