3964526 has 4 divisors (see below), whose sum is σ = 5946792. Its totient is φ = 1982262.

The previous prime is 3964523. The next prime is 3964531. The reversal of 3964526 is 6254693.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991130 + ... + 991133.

It is an arithmetic number, because the mean of its divisors is an integer number (1486698).

Almost surely, 2^3964526 is an apocalyptic number.

3964526 is a deficient number, since it is larger than the sum of its proper divisors (1982266).

3964526 is a wasteful number, since it uses less digits than its factorization.

3964526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982265.

The product of its digits is 38880, while the sum is 35.

The square root of 3964526 is about 1991.1117497519. Note that the first 3 decimals coincide. The cubic root of 3964526 is about 158.2694488965.

The spelling of 3964526 in words is "three million, nine hundred sixty-four thousand, five hundred twenty-six".