90004633 has 4 divisors (see below), whose sum is σ = 92097808. Its totient is φ = 87911460.

The previous prime is 90004627. The next prime is 90004643. The reversal of 90004633 is 33640009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33640009 = 13 ⋅2587693.

It is a cyclic number.

It is not a de Polignac number, because 90004633 - 2¹⁷ = 89873561 is a prime.

It is a super-2 number, since 2×90004633² = 16201667922929378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90004598 and 90004607.

It is not an unprimeable number, because it can be changed into a prime (90004643) 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, 1046523 + ... + 1046608.

It is an arithmetic number, because the mean of its divisors is an integer number (23024452).

Almost surely, 2^90004633 is an apocalyptic number.

It is an amenable number.

90004633 is a deficient number, since it is larger than the sum of its proper divisors (2093175).

90004633 is a wasteful number, since it uses less digits than its factorization.

90004633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093174.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 90004633 is about 9487.0771579027. The cubic root of 90004633 is about 448.1481642824.

The spelling of 90004633 in words is "ninety million, four thousand, six hundred thirty-three".