7879486 has 4 divisors (see below), whose sum is σ = 11819232. Its totient is φ = 3939742.

The previous prime is 7879481. The next prime is 7879489. The reversal of 7879486 is 6849787.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6849787 = 7 ⋅978541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7879481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969870 + ... + 1969873.

It is an arithmetic number, because the mean of its divisors is an integer number (2954808).

Almost surely, 2^7879486 is an apocalyptic number.

7879486 is a deficient number, since it is larger than the sum of its proper divisors (3939746).

7879486 is a wasteful number, since it uses less digits than its factorization.

7879486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939745.

The product of its digits is 677376, while the sum is 49.

The square root of 7879486 is about 2807.0422155714. The cubic root of 7879486 is about 198.9906311086.

The spelling of 7879486 in words is "seven million, eight hundred seventy-nine thousand, four hundred eighty-six".