8870091 has 8 divisors (see below), whose sum is σ = 11848704. Its totient is φ = 5902440.

The previous prime is 8870053. The next prime is 8870129. The reversal of 8870091 is 1900788.

8870091 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8870053) and next prime (8870129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8870091 - 2⁹ = 8869579 is a prime.

8870091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8870021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615 + ... + 4256.

It is an arithmetic number, because the mean of its divisors is an integer number (1481088).

Almost surely, 2^8870091 is an apocalyptic number.

8870091 is a deficient number, since it is larger than the sum of its proper divisors (2978613).

8870091 is a wasteful number, since it uses less digits than its factorization.

8870091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5481.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 8870091 is about 2978.2697997327. The cubic root of 8870091 is about 207.0027071456.

The spelling of 8870091 in words is "eight million, eight hundred seventy thousand, ninety-one".