90849379 has 8 divisors (see below), whose sum is σ = 94973472. Its totient is φ = 86739840.

The previous prime is 90849371. The next prime is 90849383. The reversal of 90849379 is 97394809.

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 90849379 - 2³ = 90849371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90849371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10309 + ... + 16969.

It is an arithmetic number, because the mean of its divisors is an integer number (11871684).

Almost surely, 2^90849379 is an apocalyptic number.

90849379 is a deficient number, since it is larger than the sum of its proper divisors (4124093).

90849379 is a wasteful number, since it uses less digits than its factorization.

90849379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 90849379 is about 9531.4940591704. The cubic root of 90849379 is about 449.5458446859.

The spelling of 90849379 in words is "ninety million, eight hundred forty-nine thousand, three hundred seventy-nine".