7928493 has 8 divisors (see below), whose sum is σ = 10596288. Its totient is φ = 5273184.

The previous prime is 7928461. The next prime is 7928497. The reversal of 7928493 is 3948297.

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

It is not a de Polignac number, because 7928493 - 2⁵ = 7928461 is a prime.

It is a super-2 number, since 2×7928493² = 125722002502098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7928497) 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, 1521 + ... + 4262.

It is an arithmetic number, because the mean of its divisors is an integer number (1324536).

Almost surely, 2^7928493 is an apocalyptic number.

It is an amenable number.

7928493 is a deficient number, since it is larger than the sum of its proper divisors (2667795).

7928493 is a wasteful number, since it uses less digits than its factorization.

7928493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243.

The product of its digits is 108864, while the sum is 42.

The square root of 7928493 is about 2815.7579796566. The cubic root of 7928493 is about 199.4023240297.

The spelling of 7928493 in words is "seven million, nine hundred twenty-eight thousand, four hundred ninety-three".