896400621 has 8 divisors (see below), whose sum is σ = 1328000960. Its totient is φ = 597600396.

The previous prime is 896400611. The next prime is 896400623. The reversal of 896400621 is 126004698.

896400621 is a `hidden beast` number, since 8 + 9 + 640 + 0 + 6 + 2 + 1 = 666.

It is not a de Polignac number, because 896400621 - 2¹⁰ = 896399597 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 (896400623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16599985 + ... + 16600038.

It is an arithmetic number, because the mean of its divisors is an integer number (166000120).

Almost surely, 2^896400621 is an apocalyptic number.

It is an amenable number.

896400621 is a deficient number, since it is larger than the sum of its proper divisors (431600339).

896400621 is a wasteful number, since it uses less digits than its factorization.

896400621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33200032 (or 33200026 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 896400621 is about 29939.9502504597. The cubic root of 896400621 is about 964.2005678328.

The spelling of 896400621 in words is "eight hundred ninety-six million, four hundred thousand, six hundred twenty-one".