90805846 has 4 divisors (see below), whose sum is σ = 136208772. Its totient is φ = 45402922.

The previous prime is 90805831. The next prime is 90805861. The reversal of 90805846 is 64850809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64850809 = 8053².

It is an interprime number because it is at equal distance from previous prime (90805831) and next prime (90805861).

It is a junction number, because it is equal to n+sod(n) for n = 90805799 and 90805808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22701460 + ... + 22701463.

It is an arithmetic number, because the mean of its divisors is an integer number (34052193).

Almost surely, 2^90805846 is an apocalyptic number.

90805846 is a deficient number, since it is larger than the sum of its proper divisors (45402926).

90805846 is a wasteful number, since it uses less digits than its factorization.

90805846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45402925.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 90805846 is about 9529.2101456522. The cubic root of 90805846 is about 449.4740290934.

The spelling of 90805846 in words is "ninety million, eight hundred five thousand, eight hundred forty-six".