3954259 has 2 divisors, whose sum is σ = 3954260. Its totient is φ = 3954258.

The previous prime is 3954257. The next prime is 3954281. The reversal of 3954259 is 9524593.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3954259 - 2¹ = 3954257 is a prime.

Together with 3954257, it forms a pair of twin primes.

It is an Ulam number.

3954259 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3954253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977129 + 1977130.

It is an arithmetic number, because the mean of its divisors is an integer number (1977130).

Almost surely, 2^3954259 is an apocalyptic number.

3954259 is a deficient number, since it is larger than the sum of its proper divisors (1).

3954259 is an equidigital number, since it uses as much as digits as its factorization.

3954259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 37.

The square root of 3954259 is about 1988.5318705015. The cubic root of 3954259 is about 158.1327064313.

It can be divided in two parts, 39542 and 59, that added together give a square (39601 = 199²).

The spelling of 3954259 in words is "three million, nine hundred fifty-four thousand, two hundred fifty-nine".