94870809 has 24 divisors (see below), whose sum is σ = 150014592. Its totient is φ = 57297120.

The previous prime is 94870793. The next prime is 94870813. The reversal of 94870809 is 90807849.

It is not a de Polignac number, because 94870809 - 2⁴ = 94870793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (94870309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29872 + ... + 32894.

It is an arithmetic number, because the mean of its divisors is an integer number (6250608).

Almost surely, 2^94870809 is an apocalyptic number.

94870809 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

94870809 is a deficient number, since it is larger than the sum of its proper divisors (55143783).

94870809 is a wasteful number, since it uses less digits than its factorization.

94870809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 94870809 is about 9740.1647316665. The cubic root of 94870809 is about 456.0833325312.

The spelling of 94870809 in words is "ninety-four million, eight hundred seventy thousand, eight hundred nine".