3916491 has 8 divisors (see below), whose sum is σ = 5244624. Its totient is φ = 2599680.

The previous prime is 3916481. The next prime is 3916499. The reversal of 3916491 is 1946193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3916491 - 2⁵ = 3916459 is a prime.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (3916499) 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 7 ways as a sum of consecutive naturals, for example, 1986 + ... + 3431.

It is an arithmetic number, because the mean of its divisors is an integer number (655578).

Almost surely, 2^3916491 is an apocalyptic number.

3916491 is a deficient number, since it is larger than the sum of its proper divisors (1328133).

3916491 is a wasteful number, since it uses less digits than its factorization.

3916491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661.

The product of its digits is 5832, while the sum is 33.

The square root of 3916491 is about 1979.0126326024. The cubic root of 3916491 is about 157.6276415524.

The spelling of 3916491 in words is "three million, nine hundred sixteen thousand, four hundred ninety-one".