1489156856 has 16 divisors (see below), whose sum is σ = 3046002840. Its totient is φ = 676889440.

The previous prime is 1489156849. The next prime is 1489156861. The reversal of 1489156856 is 6586519841.

It is a junction number, because it is equal to n+sod(n) for n = 1489156798 and 1489156807.

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, 8461031 + ... + 8461206.

Almost surely, 2^1489156856 is an apocalyptic number.

It is an amenable number.

1489156856 is an abundant number, since it is smaller than the sum of its proper divisors (1556845984).

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

1489156856 is a wasteful number, since it uses less digits than its factorization.

1489156856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16922254 (or 16922250 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 53.

The square root of 1489156856 is about 38589.5951779751. The cubic root of 1489156856 is about 1141.9492801996.

The spelling of 1489156856 in words is "one billion, four hundred eighty-nine million, one hundred fifty-six thousand, eight hundred fifty-six".