3493897 has 16 divisors (see below), whose sum is σ = 3999744. Its totient is φ = 3024000.

The previous prime is 3493883. The next prime is 3493909. The reversal of 3493897 is 7983943.

It is a cyclic number.

It is not a de Polignac number, because 3493897 - 2¹⁹ = 2969609 is a prime.

It is a Duffinian number.

3493897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3493817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27448 + ... + 27574.

It is an arithmetic number, because the mean of its divisors is an integer number (249984).

Almost surely, 2^3493897 is an apocalyptic number.

It is an amenable number.

3493897 is a deficient number, since it is larger than the sum of its proper divisors (505847).

3493897 is a wasteful number, since it uses less digits than its factorization.

3493897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240.

The product of its digits is 163296, while the sum is 43.

The square root of 3493897 is about 1869.1968863659. The cubic root of 3493897 is about 151.7411481908.

The spelling of 3493897 in words is "three million, four hundred ninety-three thousand, eight hundred ninety-seven".