3914243 has 4 divisors (see below), whose sum is σ = 3918840. Its totient is φ = 3909648.

The previous prime is 3914221. The next prime is 3914249. The reversal of 3914243 is 3424193.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3424193 = 199 ⋅17207.

It is a cyclic number.

It is not a de Polignac number, because 3914243 - 2⁶ = 3914179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3914249) 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, 605 + ... + 2862.

It is an arithmetic number, because the mean of its divisors is an integer number (979710).

Almost surely, 2^3914243 is an apocalyptic number.

3914243 is a deficient number, since it is larger than the sum of its proper divisors (4597).

3914243 is a wasteful number, since it uses less digits than its factorization.

3914243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596.

The product of its digits is 2592, while the sum is 26.

The square root of 3914243 is about 1978.4445910866. Note that the first 3 decimals coincide. The cubic root of 3914243 is about 157.5974772415.

The spelling of 3914243 in words is "three million, nine hundred fourteen thousand, two hundred forty-three".