6406254 has 24 divisors (see below), whose sum is σ = 14256840. Its totient is φ = 2077488.

The previous prime is 6406247. The next prime is 6406307. The reversal of 6406254 is 4526046.

It is a happy number.

6406254 is a `hidden beast` number, since 6 + 406 + 254 = 666.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4144 + ... + 5475.

It is an arithmetic number, because the mean of its divisors is an integer number (594035).

Almost surely, 2^6406254 is an apocalyptic number.

6406254 is an abundant number, since it is smaller than the sum of its proper divisors (7850586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6406254 is a wasteful number, since it uses less digits than its factorization.

6406254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664 (or 9661 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 6406254 is about 2531.0578815981. The cubic root of 6406254 is about 185.7240096909.

The spelling of 6406254 in words is "six million, four hundred six thousand, two hundred fifty-four".