1406734656 has 28 divisors (see below), whose sum is σ = 3721985952. Its totient is φ = 468911488.

The previous prime is 1406734631. The next prime is 1406734661. The reversal of 1406734656 is 6564376041.

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, 3663180 + ... + 3663563.

Almost surely, 2^1406734656 is an apocalyptic number.

1406734656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1406734656 is an abundant number, since it is smaller than the sum of its proper divisors (2315251296).

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

1406734656 is an equidigital number, since it uses as much as digits as its factorization.

1406734656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326758 (or 7326748 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 1406734656 is about 37506.4615233162. The cubic root of 1406734656 is about 1120.4798793937.

The spelling of 1406734656 in words is "one billion, four hundred six million, seven hundred thirty-four thousand, six hundred fifty-six".