3993087 has 8 divisors (see below), whose sum is σ = 6084736. Its totient is φ = 2281752.

The previous prime is 3993083. The next prime is 3993089. The reversal of 3993087 is 7803993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3993087 - 2² = 3993083 is a prime.

It is a super-3 number, since 3×3993087³ (a number of 21 digits) contains 333 as substring.

3993087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3993083) 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, 95053 + ... + 95094.

It is an arithmetic number, because the mean of its divisors is an integer number (760592).

Almost surely, 2^3993087 is an apocalyptic number.

3993087 is a deficient number, since it is larger than the sum of its proper divisors (2091649).

3993087 is a wasteful number, since it uses less digits than its factorization.

3993087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190157.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 3993087 is about 1998.2710026420. The cubic root of 3993087 is about 158.6486049358.

It can be divided in two parts, 399 and 3087, that added together give a triangular number (3486 = T₈₃).

The spelling of 3993087 in words is "three million, nine hundred ninety-three thousand, eighty-seven".