3942269 has 4 divisors (see below), whose sum is σ = 4113696. Its totient is φ = 3770844.

The previous prime is 3942259. The next prime is 3942287. The reversal of 3942269 is 9622493.

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 a de Polignac number, because none of the positive numbers 2^k-3942269 is a prime.

It is a super-2 number, since 2×3942269² = 31082969736722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942209) 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, 85679 + ... + 85724.

It is an arithmetic number, because the mean of its divisors is an integer number (1028424).

Almost surely, 2^3942269 is an apocalyptic number.

It is an amenable number.

3942269 is a deficient number, since it is larger than the sum of its proper divisors (171427).

3942269 is a wasteful number, since it uses less digits than its factorization.

3942269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171426.

The product of its digits is 23328, while the sum is 35.

The square root of 3942269 is about 1985.5147947069. The cubic root of 3942269 is about 157.9727160066.

The spelling of 3942269 in words is "three million, nine hundred forty-two thousand, two hundred sixty-nine".