90204614 has 4 divisors (see below), whose sum is σ = 135306924. Its totient is φ = 45102306.

The previous prime is 90204607. The next prime is 90204629. The reversal of 90204614 is 41640209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41640209 = 13 ⋅3203093.

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, 22551152 + ... + 22551155.

It is an arithmetic number, because the mean of its divisors is an integer number (33826731).

Almost surely, 2^90204614 is an apocalyptic number.

90204614 is a deficient number, since it is larger than the sum of its proper divisors (45102310).

90204614 is a wasteful number, since it uses less digits than its factorization.

90204614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45102309.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 90204614 is about 9497.6109627632. The cubic root of 90204614 is about 448.4798317406.

The spelling of 90204614 in words is "ninety million, two hundred four thousand, six hundred fourteen".