1864896 has 56 divisors (see below), whose sum is σ = 5388864. Its totient is φ = 564480.

The previous prime is 1864879. The next prime is 1864897. The reversal of 1864896 is 6984681.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1864897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671 + ... + 2553.

2^1864896 is an apocalyptic number.

1864896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1864896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2694432).

1864896 is an abundant number, since it is smaller than the sum of its proper divisors (3523968).

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

1864896 is a wasteful number, since it uses less digits than its factorization.

1864896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 899 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 1864896 is about 1365.6119507386. The cubic root of 1864896 is about 123.0887059232.

The spelling of 1864896 in words is "one million, eight hundred sixty-four thousand, eight hundred ninety-six".