7914388 has 6 divisors (see below), whose sum is σ = 13850186. Its totient is φ = 3957192.

The previous prime is 7914383. The next prime is 7914391. The reversal of 7914388 is 8834197.

It can be written as a sum of positive squares in only one way, i.e., 4334724 + 3579664 = 2082^2 + 1892^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7914388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7914383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989295 + ... + 989302.

Almost surely, 2^7914388 is an apocalyptic number.

It is an amenable number.

7914388 is a deficient number, since it is larger than the sum of its proper divisors (5935798).

7914388 is a wasteful number, since it uses less digits than its factorization.

7914388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978601 (or 1978599 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 7914388 is about 2813.2522105208. The cubic root of 7914388 is about 199.2840064919.

The spelling of 7914388 in words is "seven million, nine hundred fourteen thousand, three hundred eighty-eight".