1489755894 has 32 divisors (see below), whose sum is σ = 3262498560. Its totient is φ = 449757600.

The previous prime is 1489755833. The next prime is 1489755899. The reversal of 1489755894 is 4985579841.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489755899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24202 + ... + 59709.

It is an arithmetic number, because the mean of its divisors is an integer number (101953080).

Almost surely, 2^1489755894 is an apocalyptic number.

1489755894 is an abundant number, since it is smaller than the sum of its proper divisors (1772742666).

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

1489755894 is a wasteful number, since it uses less digits than its factorization.

1489755894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84196.

The product of its digits is 14515200, while the sum is 60.

The square root of 1489755894 is about 38597.3560493462. The cubic root of 1489755894 is about 1142.1023823402.

The spelling of 1489755894 in words is "one billion, four hundred eighty-nine million, seven hundred fifty-five thousand, eight hundred ninety-four".