7970388 has 12 divisors (see below), whose sum is σ = 18597600. Its totient is φ = 2656792.

The previous prime is 7970377. The next prime is 7970471. The reversal of 7970388 is 8830797.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332088 + ... + 332111.

It is an arithmetic number, because the mean of its divisors is an integer number (1549800).

Almost surely, 2^7970388 is an apocalyptic number.

It is an amenable number.

7970388 is an abundant number, since it is smaller than the sum of its proper divisors (10627212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7970388 is a wasteful number, since it uses less digits than its factorization.

7970388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664206 (or 664204 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 7970388 is about 2823.1875601880. The cubic root of 7970388 is about 199.7529282367.

The spelling of 7970388 in words is "seven million, nine hundred seventy thousand, three hundred eighty-eight".