1456408 has 16 divisors (see below), whose sum is σ = 2744280. Its totient is φ = 724608.

The previous prime is 1456393. The next prime is 1456417. The reversal of 1456408 is 8046541.

It is a super-2 number, since 2×1456408² = 4242248524928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2160 + ... + 2752.

2^1456408 is an apocalyptic number.

It is an amenable number.

1456408 is a deficient number, since it is larger than the sum of its proper divisors (1287872).

1456408 is a wasteful number, since it uses less digits than its factorization.

1456408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1456408 is about 1206.8173018316. The cubic root of 1456408 is about 113.3516079720.

The spelling of 1456408 in words is "one million, four hundred fifty-six thousand, four hundred eight".