7915397 has 8 divisors (see below), whose sum is σ = 9256896. Its totient is φ = 6626592.

The previous prime is 7915367. The next prime is 7915399. The reversal of 7915397 is 7935197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7915397 - 2¹⁰ = 7914373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7915399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12848 + ... + 13449.

It is an arithmetic number, because the mean of its divisors is an integer number (1157112).

Almost surely, 2^7915397 is an apocalyptic number.

It is an amenable number.

7915397 is a deficient number, since it is larger than the sum of its proper divisors (1341499).

7915397 is a wasteful number, since it uses less digits than its factorization.

7915397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26347.

The product of its digits is 59535, while the sum is 41.

The square root of 7915397 is about 2813.4315346210. The cubic root of 7915397 is about 199.2924749933.

The spelling of 7915397 in words is "seven million, nine hundred fifteen thousand, three hundred ninety-seven".