3497921 has 8 divisors (see below), whose sum is σ = 4090944. Its totient is φ = 2928240.

The previous prime is 3497911. The next prime is 3497929. The reversal of 3497921 is 1297943.

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

It is not a de Polignac number, because 3497921 - 2¹⁸ = 3235777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3497929) 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, 5510 + ... + 6111.

It is an arithmetic number, because the mean of its divisors is an integer number (511368).

Almost surely, 2^3497921 is an apocalyptic number.

It is an amenable number.

3497921 is a deficient number, since it is larger than the sum of its proper divisors (593023).

3497921 is a wasteful number, since it uses less digits than its factorization.

3497921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11671.

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

The square root of 3497921 is about 1870.2729747286. The cubic root of 3497921 is about 151.7993804087.

The spelling of 3497921 in words is "three million, four hundred ninety-seven thousand, nine hundred twenty-one".