90098654 has 4 divisors (see below), whose sum is σ = 135147984. Its totient is φ = 45049326.

The previous prime is 90098653. The next prime is 90098677. The reversal of 90098654 is 45689009.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×90098654² = 16235534905223432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90098651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22524662 + ... + 22524665.

It is an arithmetic number, because the mean of its divisors is an integer number (33786996).

Almost surely, 2^90098654 is an apocalyptic number.

90098654 is a deficient number, since it is larger than the sum of its proper divisors (45049330).

90098654 is a wasteful number, since it uses less digits than its factorization.

90098654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45049329.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 90098654 is about 9492.0310787523. The cubic root of 90098654 is about 448.3041587529.

The spelling of 90098654 in words is "ninety million, ninety-eight thousand, six hundred fifty-four".