6406492 has 6 divisors (see below), whose sum is σ = 11211368. Its totient is φ = 3203244.

The previous prime is 6406483. The next prime is 6406493. The reversal of 6406492 is 2946046.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800808 + ... + 800815.

Almost surely, 2^6406492 is an apocalyptic number.

It is an amenable number.

6406492 is a deficient number, since it is larger than the sum of its proper divisors (4804876).

6406492 is a wasteful number, since it uses less digits than its factorization.

6406492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601627 (or 1601625 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 6406492 is about 2531.1048970756. The cubic root of 6406492 is about 185.7263096188.

The spelling of 6406492 in words is "six million, four hundred six thousand, four hundred ninety-two".