3959495 has 4 divisors (see below), whose sum is σ = 4751400. Its totient is φ = 3167592.

The previous prime is 3959491. The next prime is 3959507. The reversal of 3959495 is 5949593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5949593 = 13 ⋅457661.

It is a cyclic number.

It is not a de Polignac number, because 3959495 - 2² = 3959491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395945 + ... + 395954.

It is an arithmetic number, because the mean of its divisors is an integer number (1187850).

Almost surely, 2^3959495 is an apocalyptic number.

3959495 is a deficient number, since it is larger than the sum of its proper divisors (791905).

3959495 is an equidigital number, since it uses as much as digits as its factorization.

3959495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791904.

The product of its digits is 218700, while the sum is 44.

The square root of 3959495 is about 1989.8479841435. The cubic root of 3959495 is about 158.2024723608.

The spelling of 3959495 in words is "three million, nine hundred fifty-nine thousand, four hundred ninety-five".