3993307 has 4 divisors (see below), whose sum is σ = 4028760. Its totient is φ = 3957856.

The previous prime is 3993263. The next prime is 3993313. The reversal of 3993307 is 7033993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7033993 = 31 ⋅226903.

It is a cyclic number.

It is not a de Polignac number, because 3993307 - 2¹⁹ = 3469019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3993377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17557 + ... + 17782.

It is an arithmetic number, because the mean of its divisors is an integer number (1007190).

Almost surely, 2^3993307 is an apocalyptic number.

3993307 is a deficient number, since it is larger than the sum of its proper divisors (35453).

3993307 is a wasteful number, since it uses less digits than its factorization.

3993307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35452.

The product of its (nonzero) digits is 15309, while the sum is 34.

The square root of 3993307 is about 1998.3260494724. The cubic root of 3993307 is about 158.6515184755.

The spelling of 3993307 in words is "three million, nine hundred ninety-three thousand, three hundred seven".