6403461 has 16 divisors (see below), whose sum is σ = 8942400. Its totient is φ = 4070528.

The previous prime is 6403451. The next prime is 6403469. The reversal of 6403461 is 1643046.

6403461 = 223² + 224² + ... + 311².

It is a cyclic number.

It is not a de Polignac number, because 6403461 - 2⁵ = 6403429 is a prime.

It is a Curzon number.

6403461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7330 + ... + 8156.

It is an arithmetic number, because the mean of its divisors is an integer number (558900).

Almost surely, 2^6403461 is an apocalyptic number.

It is an amenable number.

6403461 is a deficient number, since it is larger than the sum of its proper divisors (2538939).

6403461 is a wasteful number, since it uses less digits than its factorization.

6403461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6403461 is about 2530.5060758670. The cubic root of 6403461 is about 185.6970151029.

The spelling of 6403461 in words is "six million, four hundred three thousand, four hundred sixty-one".