7408897 has 4 divisors (see below), whose sum is σ = 7414720. Its totient is φ = 7403076.

The previous prime is 7408883. The next prime is 7408901. The reversal of 7408897 is 7988047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7988047 = 97 ⋅82351.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7408897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7408097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93 + ... + 3850.

It is an arithmetic number, because the mean of its divisors is an integer number (1853680).

Almost surely, 2^7408897 is an apocalyptic number.

It is an amenable number.

7408897 is a deficient number, since it is larger than the sum of its proper divisors (5823).

7408897 is a wasteful number, since it uses less digits than its factorization.

7408897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5822.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 7408897 is about 2721.9289116360. The cubic root of 7408897 is about 194.9475817906.

The spelling of 7408897 in words is "seven million, four hundred eight thousand, eight hundred ninety-seven".