90617654 has 8 divisors (see below), whose sum is σ = 141836400. Its totient is φ = 43338856.

The previous prime is 90617647. The next prime is 90617689. The reversal of 90617654 is 45671609.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984929 + ... + 985020.

It is an arithmetic number, because the mean of its divisors is an integer number (17729550).

Almost surely, 2^90617654 is an apocalyptic number.

90617654 is a deficient number, since it is larger than the sum of its proper divisors (51218746).

90617654 is a wasteful number, since it uses less digits than its factorization.

90617654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969974.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 90617654 is about 9519.3305436885. The cubic root of 90617654 is about 449.1633078406.

The spelling of 90617654 in words is "ninety million, six hundred seventeen thousand, six hundred fifty-four".