1104489 has 16 divisors (see below), whose sum is σ = 1723200. Its totient is φ = 697248.

The previous prime is 1104479. The next prime is 1104491. The reversal of 1104489 is 9844011.

1104489 = T₂₆ + T₂₇ + ... + T₁₈₇.

It is not a de Polignac number, because 1104489 - 2¹¹ = 1102441 is a prime.

It is a super-2 number, since 2×1104489² = 2439791902242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1104409) 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, 564 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (107700).

2^1104489 is an apocalyptic number.

1104489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1104489 is a deficient number, since it is larger than the sum of its proper divisors (618711).

1104489 is a wasteful number, since it uses less digits than its factorization.

1104489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1104489 is about 1050.9467160613. The cubic root of 1104489 is about 103.3682423388.

The spelling of 1104489 in words is "one million, one hundred four thousand, four hundred eighty-nine".