3420797 has 4 divisors (see below), whose sum is σ = 3428256. Its totient is φ = 3413340.

The previous prime is 3420793. The next prime is 3420799. The reversal of 3420797 is 7970243.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 3420797 - 2² = 3420793 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 (3420793) 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, 2993 + ... + 3974.

It is an arithmetic number, because the mean of its divisors is an integer number (857064).

Almost surely, 2^3420797 is an apocalyptic number.

It is an amenable number.

3420797 is a deficient number, since it is larger than the sum of its proper divisors (7459).

3420797 is an equidigital number, since it uses as much as digits as its factorization.

3420797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7458.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 3420797 is about 1849.5396724591. The cubic root of 3420797 is about 150.6754281545.

The spelling of 3420797 in words is "three million, four hundred twenty thousand, seven hundred ninety-seven".