3729491 has 6 divisors (see below), whose sum is σ = 3936492. Its totient is φ = 3532860.

The previous prime is 3729463. The next prime is 3729493. The reversal of 3729491 is 1949273.

3729491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3729491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3729493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4805 + ... + 5526.

It is an arithmetic number, because the mean of its divisors is an integer number (656082).

Almost surely, 2^3729491 is an apocalyptic number.

3729491 is a deficient number, since it is larger than the sum of its proper divisors (207001).

3729491 is a wasteful number, since it uses less digits than its factorization.

3729491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10369 (or 10350 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 3729491 is about 1931.1890119820. The cubic root of 3729491 is about 155.0778796974.

The spelling of 3729491 in words is "three million, seven hundred twenty-nine thousand, four hundred ninety-one".