790489621 has 4 divisors (see below), whose sum is σ = 790607200. Its totient is φ = 790372044.

The previous prime is 790489577. The next prime is 790489631. The reversal of 790489621 is 126984097.

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.

It is a cyclic number.

It is not a de Polignac number, because 790489621 - 2¹³ = 790481429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790489631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48051 + ... + 62368.

It is an arithmetic number, because the mean of its divisors is an integer number (197651800).

Almost surely, 2^790489621 is an apocalyptic number.

It is an amenable number.

790489621 is a deficient number, since it is larger than the sum of its proper divisors (117579).

790489621 is a wasteful number, since it uses less digits than its factorization.

790489621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117578.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 790489621 is about 28115.6472626899. The cubic root of 790489621 is about 924.6244868760.

The spelling of 790489621 in words is "seven hundred ninety million, four hundred eighty-nine thousand, six hundred twenty-one".