3494397 has 4 divisors (see below), whose sum is σ = 4659200. Its totient is φ = 2329596.

The previous prime is 3494377. The next prime is 3494399. The reversal of 3494397 is 7934943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7934943 = 3 ⋅2644981.

It is not a de Polignac number, because 3494397 - 2⁷ = 3494269 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3494399) 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, 582397 + ... + 582402.

It is an arithmetic number, because the mean of its divisors is an integer number (1164800).

Almost surely, 2^3494397 is an apocalyptic number.

It is an amenable number.

3494397 is a deficient number, since it is larger than the sum of its proper divisors (1164803).

3494397 is a wasteful number, since it uses less digits than its factorization.

3494397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164802.

The product of its digits is 81648, while the sum is 39.

The square root of 3494397 is about 1869.3306288616. The cubic root of 3494397 is about 151.7483862362.

The spelling of 3494397 in words is "three million, four hundred ninety-four thousand, three hundred ninety-seven".