3942263 has 6 divisors (see below), whose sum is σ = 4269024. Its totient is φ = 3638856.

The previous prime is 3942259. The next prime is 3942287. The reversal of 3942263 is 3622493.

It is not a de Polignac number, because 3942263 - 2² = 3942259 is a prime.

It is a super-2 number, since 2×3942263² = 31082875122338, 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 (3942293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11495 + ... + 11832.

It is an arithmetic number, because the mean of its divisors is an integer number (711504).

Almost surely, 2^3942263 is an apocalyptic number.

3942263 is a deficient number, since it is larger than the sum of its proper divisors (326761).

3942263 is a wasteful number, since it uses less digits than its factorization.

3942263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23353 (or 23340 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 3942263 is about 1985.5132837632. The cubic root of 3942263 is about 157.9726358635.

The spelling of 3942263 in words is "three million, nine hundred forty-two thousand, two hundred sixty-three".