890341553 has 4 divisors (see below), whose sum is σ = 891987828. Its totient is φ = 888695280.

The previous prime is 890341537. The next prime is 890341591. The reversal of 890341553 is 355143098.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 699708304 + 190633249 = 26452^2 + 13807^2 .

It is a cyclic number.

It is not a de Polignac number, because 890341553 - 2⁴ = 890341537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890341513) 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, 822326 + ... + 823407.

It is an arithmetic number, because the mean of its divisors is an integer number (222996957).

Almost surely, 2^890341553 is an apocalyptic number.

It is an amenable number.

890341553 is a deficient number, since it is larger than the sum of its proper divisors (1646275).

890341553 is a wasteful number, since it uses less digits than its factorization.

890341553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646274.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 890341553 is about 29838.5916725304. The cubic root of 890341553 is about 962.0232045181.

The spelling of 890341553 in words is "eight hundred ninety million, three hundred forty-one thousand, five hundred fifty-three".