6408497 has 4 divisors (see below), whose sum is σ = 6544896. Its totient is φ = 6272100.

The previous prime is 6408487. The next prime is 6408503. The reversal of 6408497 is 7948046.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7948046 = 2 ⋅3974023.

It is a cyclic number.

It is not a de Polignac number, because 6408497 - 2⁴ = 6408481 is a prime.

It is a super-3 number, since 3×6408497³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6408497.

It is not an unprimeable number, because it can be changed into a prime (6408407) 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, 68129 + ... + 68222.

It is an arithmetic number, because the mean of its divisors is an integer number (1636224).

Almost surely, 2^6408497 is an apocalyptic number.

It is an amenable number.

6408497 is a deficient number, since it is larger than the sum of its proper divisors (136399).

6408497 is a wasteful number, since it uses less digits than its factorization.

6408497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136398.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 6408497 is about 2531.5009381788. The cubic root of 6408497 is about 185.7456828010.

The spelling of 6408497 in words is "six million, four hundred eight thousand, four hundred ninety-seven".