1408684856 has 32 divisors (see below), whose sum is σ = 2671025760. Its totient is φ = 696433152.

The previous prime is 1408684843. The next prime is 1408684861. The reversal of 1408684856 is 6584868041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982316 + ... + 983748.

It is an arithmetic number, because the mean of its divisors is an integer number (83469555).

Almost surely, 2^1408684856 is an apocalyptic number.

It is an amenable number.

1408684856 is a deficient number, since it is larger than the sum of its proper divisors (1262340904).

1408684856 is a wasteful number, since it uses less digits than its factorization.

1408684856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 50.

The square root of 1408684856 is about 37532.4507060224. The cubic root of 1408684856 is about 1120.9974256710.

The spelling of 1408684856 in words is "one billion, four hundred eight million, six hundred eighty-four thousand, eight hundred fifty-six".