4083640 has 32 divisors (see below), whose sum is σ = 10024560. Its totient is φ = 1484800.

The previous prime is 4083637. The next prime is 4083659. The reversal of 4083640 is 463804.

It is a super-2 number, since 2×4083640² = 33352231299200, which contains 22 as substring.

It is a congruent number.

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, 4201 + ... + 5080.

Almost surely, 2^4083640 is an apocalyptic number.

4083640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4083640 is an abundant number, since it is smaller than the sum of its proper divisors (5940920).

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

4083640 is a wasteful number, since it uses less digits than its factorization.

4083640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9303 (or 9299 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 4083640 is about 2020.8018210601. The cubic root of 4083640 is about 159.8389003476.

The spelling of 4083640 in words is "four million, eighty-three thousand, six hundred forty".