3934287 has 24 divisors (see below), whose sum is σ = 6548256. Its totient is φ = 2229696.

The previous prime is 3934267. The next prime is 3934289. The reversal of 3934287 is 7824393.

It is not a de Polignac number, because 3934287 - 2¹¹ = 3932239 is a prime.

It is a super-2 number, since 2×3934287² = 30957228396738, which contains 22 as substring.

3934287 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3934289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12253 + ... + 12569.

It is an arithmetic number, because the mean of its divisors is an integer number (272844).

Almost surely, 2^3934287 is an apocalyptic number.

3934287 is a deficient number, since it is larger than the sum of its proper divisors (2613969).

3934287 is a wasteful number, since it uses less digits than its factorization.

3934287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 524 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3934287 is about 1983.5037181715. The cubic root of 3934287 is about 157.8660270081.

The spelling of 3934287 in words is "three million, nine hundred thirty-four thousand, two hundred eighty-seven".