1864104 has 64 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 538560.

The previous prime is 1864087. The next prime is 1864111. The reversal of 1864104 is 4014681.

1864104 = 2² + 3² + ... + 177².

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5919 + ... + 6225.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2^1864104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1864104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2661120).

1864104 is an abundant number, since it is smaller than the sum of its proper divisors (3458136).

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

1864104 is a wasteful number, since it uses less digits than its factorization.

1864104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1864104 is about 1365.3219400566. The cubic root of 1864104 is about 123.0712786674.

Adding to 1864104 its reverse (4014681), we get a palindrome (5878785).

The spelling of 1864104 in words is "one million, eight hundred sixty-four thousand, one hundred four".