890602601 has 4 divisors (see below), whose sum is σ = 1017831552. Its totient is φ = 763373652.

The previous prime is 890602597. The next prime is 890602633. The reversal of 890602601 is 106206098.

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: 106206098 = 2 ⋅53103049.

It is a cyclic number.

It is not a de Polignac number, because 890602601 - 2² = 890602597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890652601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63614465 + ... + 63614478.

It is an arithmetic number, because the mean of its divisors is an integer number (254457888).

Almost surely, 2^890602601 is an apocalyptic number.

It is an amenable number.

890602601 is a deficient number, since it is larger than the sum of its proper divisors (127228951).

890602601 is a wasteful number, since it uses less digits than its factorization.

890602601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127228950.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 890602601 is about 29842.9656870761. The cubic root of 890602601 is about 962.1172170134.

Adding to 890602601 its reverse (106206098), we get a palindrome (996808699).

The spelling of 890602601 in words is "eight hundred ninety million, six hundred two thousand, six hundred one".