3497647 has 4 divisors (see below), whose sum is σ = 3592216. Its totient is φ = 3403080.

The previous prime is 3497623. The next prime is 3497671. The reversal of 3497647 is 7467943.

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

It is an interprime number because it is at equal distance from previous prime (3497623) and next prime (3497671).

It is a cyclic number.

It is not a de Polignac number, because 3497647 - 2⁷ = 3497519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3497617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47229 + ... + 47302.

It is an arithmetic number, because the mean of its divisors is an integer number (898054).

Almost surely, 2^3497647 is an apocalyptic number.

3497647 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3497647 is a deficient number, since it is larger than the sum of its proper divisors (94569).

3497647 is an equidigital number, since it uses as much as digits as its factorization.

3497647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94568.

The product of its digits is 127008, while the sum is 40.

The square root of 3497647 is about 1870.1997219549. The cubic root of 3497647 is about 151.7954167098.

It can be divided in two parts, 3 and 497647, that multiplied together give a palindrome (1492941).

The spelling of 3497647 in words is "three million, four hundred ninety-seven thousand, six hundred forty-seven".