3930369 has 4 divisors (see below), whose sum is σ = 5240496. Its totient is φ = 2620244.

The previous prime is 3930361. The next prime is 3930371. The reversal of 3930369 is 9630393.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3930369 - 2³ = 3930361 is a prime.

It is a super-2 number, since 2×3930369² = 30895600952322, which contains 22 as substring.

It is a D-number.

3930369 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3930361) 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, 655059 + ... + 655064.

It is an arithmetic number, because the mean of its divisors is an integer number (1310124).

Almost surely, 2^3930369 is an apocalyptic number.

It is an amenable number.

3930369 is a deficient number, since it is larger than the sum of its proper divisors (1310127).

3930369 is a wasteful number, since it uses less digits than its factorization.

3930369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310126.

The product of its (nonzero) digits is 13122, while the sum is 33.

The square root of 3930369 is about 1982.5158259141. The cubic root of 3930369 is about 157.8136054362.

The spelling of 3930369 in words is "three million, nine hundred thirty thousand, three hundred sixty-nine".