1589400641 has 4 divisors (see below), whose sum is σ = 1589544384. Its totient is φ = 1589256900.

The previous prime is 1589400619. The next prime is 1589400649. The reversal of 1589400641 is 1460049851.

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 a de Polignac number, because none of the positive numbers 2^k-1589400641 is a prime.

It is a super-2 number, since 2×1589400641² = 5052388795222421762, 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 = 1589400595 and 1589400604.

It is not an unprimeable number, because it can be changed into a prime (1589400649) 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, 53765 + ... + 77906.

It is an arithmetic number, because the mean of its divisors is an integer number (397386096).

Almost surely, 2^1589400641 is an apocalyptic number.

It is an amenable number.

1589400641 is a deficient number, since it is larger than the sum of its proper divisors (143743).

1589400641 is a wasteful number, since it uses less digits than its factorization.

1589400641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143742.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1589400641 is about 39867.2878560857. The cubic root of 1589400641 is about 1167.0186448829.

The spelling of 1589400641 in words is "one billion, five hundred eighty-nine million, four hundred thousand, six hundred forty-one".