90828361 has 8 divisors (see below), whose sum is σ = 97912584. Its totient is φ = 83758080.

The previous prime is 90828347. The next prime is 90828371. The reversal of 90828361 is 16382809.

It can be written as a sum of positive squares in 4 ways, for example, as 1166400 + 89661961 = 1080^2 + 9469^2 .

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 90828361 - 2²⁵ = 57273929 is a prime.

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 90828361.

It is not an unprimeable number, because it can be changed into a prime (90828301) 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, 12951 + ... + 18691.

It is an arithmetic number, because the mean of its divisors is an integer number (12239073).

Almost surely, 2^90828361 is an apocalyptic number.

It is an amenable number.

90828361 is a deficient number, since it is larger than the sum of its proper divisors (7084223).

90828361 is a wasteful number, since it uses less digits than its factorization.

90828361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 90828361 is about 9530.3914400197. The cubic root of 90828361 is about 449.5111745413.

The spelling of 90828361 in words is "ninety million, eight hundred twenty-eight thousand, three hundred sixty-one".