1487493228 has 48 divisors (see below), whose sum is σ = 3748711680. Its totient is φ = 456354624.

The previous prime is 1487493173. The next prime is 1487493253. The reversal of 1487493228 is 8223947841.

It is a super-2 number, since 2×1487493228² = 4425272206691719968, which contains 22 as substring.

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, 40393 + ... + 67871.

It is an arithmetic number, because the mean of its divisors is an integer number (78098160).

Almost surely, 2^1487493228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1487493228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874355840).

1487493228 is an abundant number, since it is smaller than the sum of its proper divisors (2261218452).

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

1487493228 is a wasteful number, since it uses less digits than its factorization.

1487493228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27846 (or 27844 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 1487493228 is about 38568.0337585415. The cubic root of 1487493228 is about 1141.5238746686.

The spelling of 1487493228 in words is "one billion, four hundred eighty-seven million, four hundred ninety-three thousand, two hundred twenty-eight".