90494419 has 4 divisors (see below), whose sum is σ = 90963496. Its totient is φ = 90025344.

The previous prime is 90494387. The next prime is 90494423. The reversal of 90494419 is 91449409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91449409 = 17 ⋅5379377.

It is a cyclic number.

It is not a de Polignac number, because 90494419 - 2⁵ = 90494387 is a prime.

It is a super-2 number, since 2×90494419² = 16378479740295122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90494429) 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, 234249 + ... + 234634.

It is an arithmetic number, because the mean of its divisors is an integer number (22740874).

Almost surely, 2^90494419 is an apocalyptic number.

90494419 is a deficient number, since it is larger than the sum of its proper divisors (469077).

90494419 is a wasteful number, since it uses less digits than its factorization.

90494419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469076.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 90494419 is about 9512.8554598501. The cubic root of 90494419 is about 448.9596030474.

The spelling of 90494419 in words is "ninety million, four hundred ninety-four thousand, four hundred nineteen".