6461397 has 16 divisors (see below), whose sum is σ = 9636480. Its totient is φ = 4278816.

The previous prime is 6461393. The next prime is 6461401. The reversal of 6461397 is 7931646.

6461397 is a `hidden beast` number, since 646 + 1 + 3 + 9 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (6461393) and next prime (6461401).

It is not a de Polignac number, because 6461397 - 2² = 6461393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3793 + ... + 5225.

It is an arithmetic number, because the mean of its divisors is an integer number (602280).

Almost surely, 2^6461397 is an apocalyptic number.

It is an amenable number.

6461397 is a deficient number, since it is larger than the sum of its proper divisors (3175083).

6461397 is a wasteful number, since it uses less digits than its factorization.

6461397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1603 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 6461397 is about 2541.9278117209. The cubic root of 6461397 is about 186.2553724258.

The spelling of 6461397 in words is "six million, four hundred sixty-one thousand, three hundred ninety-seven".