7978948 has 12 divisors (see below), whose sum is σ = 14070672. Its totient is φ = 3958760.

The previous prime is 7978937. The next prime is 7978961. The reversal of 7978948 is 8498797.

It is a happy number.

7978948 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7978948² = 127327222373408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7978895 and 7978904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7090 + ... + 8137.

It is an arithmetic number, because the mean of its divisors is an integer number (1172556).

Almost surely, 2^7978948 is an apocalyptic number.

It is an amenable number.

7978948 is a deficient number, since it is larger than the sum of its proper divisors (6091724).

7978948 is a wasteful number, since it uses less digits than its factorization.

7978948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15362 (or 15360 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 52.

The square root of 7978948 is about 2824.7031702464. The cubic root of 7978948 is about 199.8244125570.

The spelling of 7978948 in words is "seven million, nine hundred seventy-eight thousand, nine hundred forty-eight".