3804540 has 24 divisors (see below), whose sum is σ = 10652880. Its totient is φ = 1014528.

The previous prime is 3804533. The next prime is 3804547. The reversal of 3804540 is 454083.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3804533) and next prime (3804547).

It is a super-2 number, since 2×3804540² = 28949049223200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3804540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3804547) 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, 31645 + ... + 31764.

It is an arithmetic number, because the mean of its divisors is an integer number (443870).

Almost surely, 2^3804540 is an apocalyptic number.

3804540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3804540 is an abundant number, since it is smaller than the sum of its proper divisors (6848340).

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

3804540 is a wasteful number, since it uses less digits than its factorization.

3804540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63421 (or 63419 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3804540 is about 1950.5230067856. The cubic root of 3804540 is about 156.1111961976. Note that the first 4 decimals are identical.

The spelling of 3804540 in words is "three million, eight hundred four thousand, five hundred forty".