8940621 has 16 divisors (see below), whose sum is σ = 12680640. Its totient is φ = 5587200.

The previous prime is 8940611. The next prime is 8940649. The reversal of 8940621 is 1260498.

It is not a de Polignac number, because 8940621 - 2⁹ = 8940109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8940601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4981 + ... + 6533.

It is an arithmetic number, because the mean of its divisors is an integer number (792540).

Almost surely, 2^8940621 is an apocalyptic number.

It is an amenable number.

8940621 is a deficient number, since it is larger than the sum of its proper divisors (3740019).

8940621 is a wasteful number, since it uses less digits than its factorization.

8940621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 8940621 is about 2990.0871224765. The cubic root of 8940621 is about 207.5499158957.

The spelling of 8940621 in words is "eight million, nine hundred forty thousand, six hundred twenty-one".