1489699056 has 80 divisors (see below), whose sum is σ = 3928998528. Its totient is φ = 486240000.

The previous prime is 1489699049. The next prime is 1489699061. The reversal of 1489699056 is 6509969841.

It is a super-2 number, since 2×1489699056² = 4438406554894582272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1489698987 and 1489699005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733915 + ... + 735941.

Almost surely, 2^1489699056 is an apocalyptic number.

1489699056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489699056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1964499264).

1489699056 is an abundant number, since it is smaller than the sum of its proper divisors (2439299472).

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

1489699056 is a wasteful number, since it uses less digits than its factorization.

1489699056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 57.

The square root of 1489699056 is about 38596.6197483666. The cubic root of 1489699056 is about 1142.0878574459.

The spelling of 1489699056 in words is "one billion, four hundred eighty-nine million, six hundred ninety-nine thousand, fifty-six".