90349810 has 32 divisors (see below), whose sum is σ = 168537600. Its totient is φ = 34836480.

The previous prime is 90349801. The next prime is 90349811. The reversal of 90349810 is 1894309.

It is a super-2 number, since 2×90349810² = 16326176334072200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (90349811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117106 + ... + 117874.

It is an arithmetic number, because the mean of its divisors is an integer number (5266800).

Almost surely, 2^90349810 is an apocalyptic number.

90349810 is a deficient number, since it is larger than the sum of its proper divisors (78187790).

90349810 is a wasteful number, since it uses less digits than its factorization.

90349810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 90349810 is about 9505.2517062937. The cubic root of 90349810 is about 448.7203315245.

The spelling of 90349810 in words is "ninety million, three hundred forty-nine thousand, eight hundred ten".