3811896 has 48 divisors (see below), whose sum is σ = 11264760. Its totient is φ = 1154880.

The previous prime is 3811891. The next prime is 3811909. The reversal of 3811896 is 6981183.

It is a super-2 number, since 2×3811896² = 29061102229632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 3811896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3811891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1615 + ... + 3198.

Almost surely, 2^3811896 is an apocalyptic number.

3811896 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3811896 is an abundant number, since it is smaller than the sum of its proper divisors (7452864).

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

3811896 is a wasteful number, since it uses less digits than its factorization.

3811896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836 (or 4829 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 3811896 is about 1952.4077442993. The cubic root of 3811896 is about 156.2117440209.

The spelling of 3811896 in words is "three million, eight hundred eleven thousand, eight hundred ninety-six".