890602445 has 4 divisors (see below), whose sum is σ = 1068722940. Its totient is φ = 712481952.

The previous prime is 890602429. The next prime is 890602457. The reversal of 890602445 is 544206098.

890602445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 374267716 + 516334729 = 19346^2 + 22723^2 .

It is a cyclic number.

It is not a de Polignac number, because 890602445 - 2⁴ = 890602429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 890602399 and 890602408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89060240 + ... + 89060249.

It is an arithmetic number, because the mean of its divisors is an integer number (267180735).

Almost surely, 2^890602445 is an apocalyptic number.

It is an amenable number.

890602445 is a deficient number, since it is larger than the sum of its proper divisors (178120495).

890602445 is a wasteful number, since it uses less digits than its factorization.

890602445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178120494.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 890602445 is about 29842.9630733947. The cubic root of 890602445 is about 962.1171608378.

The spelling of 890602445 in words is "eight hundred ninety million, six hundred two thousand, four hundred forty-five".