90341892 has 60 divisors (see below), whose sum is σ = 240673356. Its totient is φ = 29540160.

The previous prime is 90341863. The next prime is 90341917. The reversal of 90341892 is 29814309.

It can be written as a sum of positive squares in 2 ways, for example, as 66194496 + 24147396 = 8136^2 + 4914^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14542 + ... + 19802.

Almost surely, 2^90341892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90341892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120336678).

90341892 is an abundant number, since it is smaller than the sum of its proper divisors (150331464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90341892 is a wasteful number, since it uses less digits than its factorization.

90341892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330 (or 5319 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 90341892 is about 9504.8351905754. The cubic root of 90341892 is about 448.7072229510.

The spelling of 90341892 in words is "ninety million, three hundred forty-one thousand, eight hundred ninety-two".