901084859 has 4 divisors (see below), whose sum is σ = 906293616. Its totient is φ = 895876104.

The previous prime is 901084841. The next prime is 901084871. The reversal of 901084859 is 958480109.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 958480109 = 277 ⋅3460217.

It is a cyclic number.

It is not a de Polignac number, because 901084859 - 2²⁰ = 900036283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (901084819) 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, 2604119 + ... + 2604464.

It is an arithmetic number, because the mean of its divisors is an integer number (226573404).

Almost surely, 2^901084859 is an apocalyptic number.

901084859 is a deficient number, since it is larger than the sum of its proper divisors (5208757).

901084859 is a wasteful number, since it uses less digits than its factorization.

901084859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208756.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 901084859 is about 30018.0755379155. The cubic root of 901084859 is about 965.8771621156.

The spelling of 901084859 in words is "nine hundred one million, eighty-four thousand, eight hundred fifty-nine".