3497739 has 16 divisors (see below), whose sum is σ = 5363712. Its totient is φ = 1986048.

The previous prime is 3497717. The next prime is 3497743. The reversal of 3497739 is 9377943.

It is not a de Polignac number, because 3497739 - 2⁹ = 3497227 is a prime.

It is a super-2 number, since 2×3497739² = 24468356224242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3497739.

It is not an unprimeable number, because it can be changed into a prime (3497759) 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 15 ways as a sum of consecutive naturals, for example, 3622 + ... + 4484.

It is an arithmetic number, because the mean of its divisors is an integer number (335232).

Almost surely, 2^3497739 is an apocalyptic number.

3497739 is a deficient number, since it is larger than the sum of its proper divisors (1865973).

3497739 is a wasteful number, since it uses less digits than its factorization.

3497739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066.

The product of its digits is 142884, while the sum is 42.

The square root of 3497739 is about 1870.2243180966. The cubic root of 3497739 is about 151.7967476099.

The spelling of 3497739 in words is "three million, four hundred ninety-seven thousand, seven hundred thirty-nine".