1838256 has 40 divisors (see below), whose sum is σ = 5428224. Its totient is φ = 525120.

The previous prime is 1838237. The next prime is 1838257. The reversal of 1838256 is 6528381.

1838256 = 224² + 225² + ... + 255².

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1838257) 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, 2400 + ... + 3071.

2^1838256 is an apocalyptic number.

1838256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1838256 is an abundant number, since it is smaller than the sum of its proper divisors (3589968).

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

1838256 is a wasteful number, since it uses less digits than its factorization.

1838256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489 (or 5483 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 1838256 is about 1355.8229972972. The cubic root of 1838256 is about 122.4997861998.

The spelling of 1838256 in words is "one million, eight hundred thirty-eight thousand, two hundred fifty-six".