1489894 has 24 divisors (see below), whose sum is σ = 2716848. Its totient is φ = 609840.

The previous prime is 1489889. The next prime is 1489903. The reversal of 1489894 is 4989841.

1489894 = T₁₃₂ + T₁₃₃ + ... + T₂₂₃.

It is a self number, because there is not a number n which added to its sum of digits gives 1489894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1924 + ... + 2584.

It is an arithmetic number, because the mean of its divisors is an integer number (113202).

2^1489894 is an apocalyptic number.

1489894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1489894 is a deficient number, since it is larger than the sum of its proper divisors (1226954).

1489894 is a wasteful number, since it uses less digits than its factorization.

1489894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 693 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 1489894 is about 1220.6121415093. The cubic root of 1489894 is about 114.2137673652.

The spelling of 1489894 in words is "one million, four hundred eighty-nine thousand, eight hundred ninety-four".