90183349 has 8 divisors (see below), whose sum is σ = 90948312. Its totient is φ = 89422080.

The previous prime is 90183347. The next prime is 90183361. The reversal of 90183349 is 94338109.

It can be written as a sum of positive squares in 4 ways, for example, as 43164900 + 47018449 = 6570^2 + 6857^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 90183349 - 2¹ = 90183347 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 (90183347) 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, 67609 + ... + 68929.

It is an arithmetic number, because the mean of its divisors is an integer number (11368539).

Almost surely, 2^90183349 is an apocalyptic number.

It is an amenable number.

90183349 is a deficient number, since it is larger than the sum of its proper divisors (764963).

90183349 is a wasteful number, since it uses less digits than its factorization.

90183349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 90183349 is about 9496.4914047242. The cubic root of 90183349 is about 448.4445871534. Note that the first 3 decimals are identical.

The spelling of 90183349 in words is "ninety million, one hundred eighty-three thousand, three hundred forty-nine".