1824489 has 12 divisors (see below), whose sum is σ = 2672436. Its totient is φ = 1199232.

The previous prime is 1824481. The next prime is 1824499. The reversal of 1824489 is 9844281.

It can be written as a sum of positive squares in 2 ways, for example, as 632025 + 1192464 = 795^2 + 1092^2 .

It is not a de Polignac number, because 1824489 - 2³ = 1824481 is a prime.

It is a super-2 number, since 2×1824489² = 6657520222242, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

1824489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1824481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 732 + ... + 2045.

It is an arithmetic number, because the mean of its divisors is an integer number (222703).

2^1824489 is an apocalyptic number.

It is an amenable number.

1824489 is a deficient number, since it is larger than the sum of its proper divisors (847947).

1824489 is a wasteful number, since it uses less digits than its factorization.

1824489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856 (or 2853 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1824489 is about 1350.7364657845. The cubic root of 1824489 is about 122.1932126131.

The spelling of 1824489 in words is "one million, eight hundred twenty-four thousand, four hundred eighty-nine".