7928494 has 24 divisors (see below), whose sum is σ = 14651280. Its totient is φ = 3197376.

The previous prime is 7928461. The next prime is 7928497. The reversal of 7928494 is 4948297.

It is a super-3 number, since 3×7928494³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 7928494.

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 11 ways as a sum of consecutive naturals, for example, 714 + ... + 4045.

It is an arithmetic number, because the mean of its divisors is an integer number (610470).

Almost surely, 2^7928494 is an apocalyptic number.

7928494 is a deficient number, since it is larger than the sum of its proper divisors (6722786).

7928494 is a wasteful number, since it uses less digits than its factorization.

7928494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792 (or 4785 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 7928494 is about 2815.7581572287. The cubic root of 7928494 is about 199.4023324130.

The spelling of 7928494 in words is "seven million, nine hundred twenty-eight thousand, four hundred ninety-four".