3945459 has 16 divisors (see below), whose sum is σ = 6082560. Its totient is φ = 2228160.

The previous prime is 3945457. The next prime is 3945467. The reversal of 3945459 is 9545493.

It is not a de Polignac number, because 3945459 - 2¹ = 3945457 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3945457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814 + ... + 2924.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

Almost surely, 2^3945459 is an apocalyptic number.

3945459 is a deficient number, since it is larger than the sum of its proper divisors (2137101).

3945459 is a wasteful number, since it uses less digits than its factorization.

3945459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210.

The product of its digits is 97200, while the sum is 39.

The square root of 3945459 is about 1986.3179503795. The cubic root of 3945459 is about 158.0153139032.

The spelling of 3945459 in words is "three million, nine hundred forty-five thousand, four hundred fifty-nine".