923396641 has 8 divisors (see below), whose sum is σ = 942162984. Its totient is φ = 904819200.

The previous prime is 923396611. The next prime is 923396689. The reversal of 923396641 is 146693329.

It can be written as a sum of positive squares in 4 ways, for example, as 691900416 + 231496225 = 26304^2 + 15215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 923396641 - 2⁹ = 923396129 is a prime.

It is a super-2 number, since 2×923396641² = 1705322713220165762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (923396611) 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, 37330 + ... + 56923.

It is an arithmetic number, because the mean of its divisors is an integer number (117770373).

Almost surely, 2^923396641 is an apocalyptic number.

It is an amenable number.

923396641 is a deficient number, since it is larger than the sum of its proper divisors (18766343).

923396641 is a wasteful number, since it uses less digits than its factorization.

923396641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94451.

The product of its digits is 209952, while the sum is 43.

The square root of 923396641 is about 30387.4421595501. The cubic root of 923396641 is about 973.7842892080.

The spelling of 923396641 in words is "nine hundred twenty-three million, three hundred ninety-six thousand, six hundred forty-one".