90614618 has 16 divisors (see below), whose sum is σ = 146724480. Its totient is φ = 41842416.

The previous prime is 90614617. The next prime is 90614651. The reversal of 90614618 is 81641609.

It is a super-2 number, since 2×90614618² = 16422017990571848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90614611) 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, 32630 + ... + 35297.

It is an arithmetic number, because the mean of its divisors is an integer number (9170280).

Almost surely, 2^90614618 is an apocalyptic number.

90614618 is a deficient number, since it is larger than the sum of its proper divisors (56109862).

90614618 is a wasteful number, since it uses less digits than its factorization.

90614618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67981.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 90614618 is about 9519.1710773575. The cubic root of 90614618 is about 449.1582916177.

The spelling of 90614618 in words is "ninety million, six hundred fourteen thousand, six hundred eighteen".