1406089656 has 24 divisors (see below), whose sum is σ = 3808159680. Its totient is φ = 468696528.

The previous prime is 1406089649. The next prime is 1406089673. The reversal of 1406089656 is 6569806041.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9764440 + ... + 9764583.

It is an arithmetic number, because the mean of its divisors is an integer number (158673320).

Almost surely, 2^1406089656 is an apocalyptic number.

It is an amenable number.

1406089656 is an abundant number, since it is smaller than the sum of its proper divisors (2402070024).

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

1406089656 is a wasteful number, since it uses less digits than its factorization.

1406089656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19529035 (or 19529028 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1406089656 is about 37497.8620190538. The cubic root of 1406089656 is about 1120.3086033104.

The spelling of 1406089656 in words is "one billion, four hundred six million, eighty-nine thousand, six hundred fifty-six".