5407997 has 4 divisors (see below), whose sum is σ = 6180576. Its totient is φ = 4635420.

The previous prime is 5407943. The next prime is 5408003. The reversal of 5407997 is 7997045.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 5407997 - 2⁸ = 5407741 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 (5407937) 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, 386279 + ... + 386292.

It is an arithmetic number, because the mean of its divisors is an integer number (1545144).

Almost surely, 2^5407997 is an apocalyptic number.

It is an amenable number.

5407997 is a deficient number, since it is larger than the sum of its proper divisors (772579).

5407997 is an equidigital number, since it uses as much as digits as its factorization.

5407997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772578.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 5407997 is about 2325.5100515801. The cubic root of 5407997 is about 175.5276266495.

The spelling of 5407997 in words is "five million, four hundred seven thousand, nine hundred ninety-seven".