1489885100 has 108 divisors (see below), whose sum is σ = 3763243512. Its totient is φ = 509836800.

The previous prime is 1489885081. The next prime is 1489885123. The reversal of 1489885100 is 15889841.

It is a super-2 number, since 2×1489885100² = 4439515222404020000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 202079 + ... + 209321.

Almost surely, 2^1489885100 is an apocalyptic number.

1489885100 is a gapful number since it is divisible by the number (10) 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 1489885100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1881621756).

1489885100 is an abundant number, since it is smaller than the sum of its proper divisors (2273358412).

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

1489885100 is a wasteful number, since it uses less digits than its factorization.

1489885100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296 (or 7278 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 44.

The square root of 1489885100 is about 38599.0297805528. The cubic root of 1489885100 is about 1142.1353994305.

The spelling of 1489885100 in words is "one billion, four hundred eighty-nine million, eight hundred eighty-five thousand, one hundred".