1864996 has 24 divisors (see below), whose sum is σ = 3819200. Its totient is φ = 780192.

The previous prime is 1864987. The next prime is 1865011. The reversal of 1864996 is 6994681.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430 + ... + 1978.

2^1864996 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 1864996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1909600).

1864996 is an abundant number, since it is smaller than the sum of its proper divisors (1954204).

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

1864996 is a wasteful number, since it uses less digits than its factorization.

1864996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1601 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 1864996 is about 1365.6485638699. The cubic root of 1864996 is about 123.0909059834.

The spelling of 1864996 in words is "one million, eight hundred sixty-four thousand, nine hundred ninety-six".