39472099 has 4 divisors (see below), whose sum is σ = 39542040. Its totient is φ = 39402160.

The previous prime is 39472087. The next prime is 39472109. The reversal of 39472099 is 99027493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 39472099 - 2¹⁵ = 39439331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39472019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34117 + ... + 35254.

It is an arithmetic number, because the mean of its divisors is an integer number (9885510).

Almost surely, 2^39472099 is an apocalyptic number.

39472099 is a deficient number, since it is larger than the sum of its proper divisors (69941).

39472099 is an equidigital number, since it uses as much as digits as its factorization.

39472099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69940.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 39472099 is about 6282.6824685002. The cubic root of 39472099 is about 340.4840251461.

The spelling of 39472099 in words is "thirty-nine million, four hundred seventy-two thousand, ninety-nine".