3993550 has 48 divisors (see below), whose sum is σ = 8316432. Its totient is φ = 1414400.

The previous prime is 3993547. The next prime is 3993557. The reversal of 3993550 is 553993.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3993557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29082 + ... + 29218.

It is an arithmetic number, because the mean of its divisors is an integer number (173259).

Almost surely, 2^3993550 is an apocalyptic number.

3993550 is an abundant number, since it is smaller than the sum of its proper divisors (4322882).

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

3993550 is a wasteful number, since it uses less digits than its factorization.

3993550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 34.

The square root of 3993550 is about 1998.3868494363. The cubic root of 3993550 is about 158.6547364881.

The spelling of 3993550 in words is "three million, nine hundred ninety-three thousand, five hundred fifty".