904066099 has 4 divisors (see below), whose sum is σ = 925090936. Its totient is φ = 883041264.

The previous prime is 904066073. The next prime is 904066117. The reversal of 904066099 is 990660409.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990660409 = 41 ⋅24162449.

It is a cyclic number.

It is not a de Polignac number, because 904066099 - 2⁹ = 904065587 is a prime.

It is a super-2 number, since 2×904066099² = 1634671022722155602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 21024793 = 904066099 / (9 + 0 + 4 + 0 + 6 + 6 + 0 + 9 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (904066019) 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 3 ways as a sum of consecutive naturals, for example, 10512354 + ... + 10512439.

It is an arithmetic number, because the mean of its divisors is an integer number (231272734).

Almost surely, 2^904066099 is an apocalyptic number.

904066099 is a deficient number, since it is larger than the sum of its proper divisors (21024837).

904066099 is a wasteful number, since it uses less digits than its factorization.

904066099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21024836.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 904066099 is about 30067.6919466726. The cubic root of 904066099 is about 966.9411913259.

The spelling of 904066099 in words is "nine hundred four million, sixty-six thousand, ninety-nine".