7806494 has 4 divisors (see below), whose sum is σ = 11709744. Its totient is φ = 3903246.

The previous prime is 7806493. The next prime is 7806497. The reversal of 7806494 is 4946087.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7806493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1951622 + ... + 1951625.

It is an arithmetic number, because the mean of its divisors is an integer number (2927436).

Almost surely, 2^7806494 is an apocalyptic number.

7806494 is a deficient number, since it is larger than the sum of its proper divisors (3903250).

7806494 is a wasteful number, since it uses less digits than its factorization.

7806494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903249.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 7806494 is about 2794.0103793651. The cubic root of 7806494 is about 198.3742708300.

The spelling of 7806494 in words is "seven million, eight hundred six thousand, four hundred ninety-four".