8621493 has 16 divisors (see below), whose sum is σ = 11880960. Its totient is φ = 5558256.

The previous prime is 8621491. The next prime is 8621551. The reversal of 8621493 is 3941268.

8621493 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8621493 - 2¹ = 8621491 is a prime.

It is a Curzon number.

8621493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8621491) 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, 11496 + ... + 12222.

It is an arithmetic number, because the mean of its divisors is an integer number (742560).

Almost surely, 2^8621493 is an apocalyptic number.

It is an amenable number.

8621493 is a deficient number, since it is larger than the sum of its proper divisors (3259467).

8621493 is a wasteful number, since it uses less digits than its factorization.

8621493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856.

The product of its digits is 10368, while the sum is 33.

The square root of 8621493 is about 2936.2378990811. The cubic root of 8621493 is about 205.0504971774.

The spelling of 8621493 in words is "eight million, six hundred twenty-one thousand, four hundred ninety-three".