1103490 has 64 divisors (see below), whose sum is σ = 3035520. Its totient is φ = 285120.

The previous prime is 1103489. The next prime is 1103497. The reversal of 1103490 is 943011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1103497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16437 + ... + 16503.

It is an arithmetic number, because the mean of its divisors is an integer number (47430).

2^1103490 is an apocalyptic number.

1103490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517760).

1103490 is an abundant number, since it is smaller than the sum of its proper divisors (1932030).

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

1103490 is a wasteful number, since it uses less digits than its factorization.

1103490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1103490 is about 1050.4713227880. The cubic root of 1103490 is about 103.3370677342.

It can be divided in two parts, 110 and 3490, that added together give a square (3600 = 60²).

The spelling of 1103490 in words is "one million, one hundred three thousand, four hundred ninety".