90414979 has 4 divisors (see below), whose sum is σ = 92120976. Its totient is φ = 88708984.

The previous prime is 90414937. The next prime is 90414991. The reversal of 90414979 is 97941409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97941409 = 19 ⋅5154811.

It is a cyclic number.

It is not a de Polignac number, because 90414979 - 2¹³ = 90406787 is a prime.

It is a super-3 number, since 3×90414979³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90414479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852919 + ... + 853024.

It is an arithmetic number, because the mean of its divisors is an integer number (23030244).

Almost surely, 2^90414979 is an apocalyptic number.

90414979 is a deficient number, since it is larger than the sum of its proper divisors (1705997).

90414979 is a wasteful number, since it uses less digits than its factorization.

90414979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705996.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 90414979 is about 9508.6791406588. The cubic root of 90414979 is about 448.8281923941.

The spelling of 90414979 in words is "ninety million, four hundred fourteen thousand, nine hundred seventy-nine".