99470140 has 48 divisors (see below), whose sum is σ = 260434944. Its totient is φ = 31003200.

The previous prime is 99470131. The next prime is 99470159. The reversal of 99470140 is 4107499.

It is a junction number, because it is equal to n+sod(n) for n = 99470096 and 99470105.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30756 + ... + 33835.

It is an arithmetic number, because the mean of its divisors is an integer number (5425728).

Almost surely, 2^99470140 is an apocalyptic number.

It is an amenable number.

99470140 is an abundant number, since it is smaller than the sum of its proper divisors (160964804).

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

99470140 is a wasteful number, since it uses less digits than its factorization.

99470140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64618 (or 64616 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 99470140 is about 9973.4718127641. The cubic root of 99470140 is about 463.3376337380.

The spelling of 99470140 in words is "ninety-nine million, four hundred seventy thousand, one hundred forty".