3954591 has 12 divisors (see below), whose sum is σ = 6048432. Its totient is φ = 2481216.

The previous prime is 3954583. The next prime is 3954611. The reversal of 3954591 is 1954593.

It is not a de Polignac number, because 3954591 - 2³ = 3954583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12771 + ... + 13076.

It is an arithmetic number, because the mean of its divisors is an integer number (504036).

Almost surely, 2^3954591 is an apocalyptic number.

3954591 is a deficient number, since it is larger than the sum of its proper divisors (2093841).

3954591 is a wasteful number, since it uses less digits than its factorization.

3954591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25870 (or 25867 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 3954591 is about 1988.6153474214. The cubic root of 3954591 is about 158.1371319203.

The spelling of 3954591 in words is "three million, nine hundred fifty-four thousand, five hundred ninety-one".