90848251 has 8 divisors (see below), whose sum is σ = 100223424. Its totient is φ = 81814080.

The previous prime is 90848249. The next prime is 90848269. The reversal of 90848251 is 15284809.

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 90848251 - 2¹ = 90848249 is a prime.

It is a super-6 number, since 6×90848251⁶ (a number of 49 digits) contains 666666 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90848251.

It is not an unprimeable number, because it can be changed into a prime (90848951) 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, 84691 + ... + 85756.

It is an arithmetic number, because the mean of its divisors is an integer number (12527928).

Almost surely, 2^90848251 is an apocalyptic number.

90848251 is a deficient number, since it is larger than the sum of its proper divisors (9375173).

90848251 is a wasteful number, since it uses less digits than its factorization.

90848251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170501.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 90848251 is about 9531.4348867314. The cubic root of 90848251 is about 449.5439841345.

The spelling of 90848251 in words is "ninety million, eight hundred forty-eight thousand, two hundred fifty-one".