90034861 has 8 divisors (see below), whose sum is σ = 103171520. Its totient is φ = 76966848.

The previous prime is 90034853. The next prime is 90034871. The reversal of 90034861 is 16843009.

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

It is not a de Polignac number, because 90034861 - 2³ = 90034853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90034871) 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, 14316 + ... + 19621.

It is an arithmetic number, because the mean of its divisors is an integer number (12896440).

Almost surely, 2^90034861 is an apocalyptic number.

It is an amenable number.

90034861 is a deficient number, since it is larger than the sum of its proper divisors (13136659).

90034861 is a wasteful number, since it uses less digits than its factorization.

90034861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34323.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 90034861 is about 9488.6701386443. The cubic root of 90034861 is about 448.1983287609.

The spelling of 90034861 in words is "ninety million, thirty-four thousand, eight hundred sixty-one".