3427797 has 4 divisors (see below), whose sum is σ = 4570400. Its totient is φ = 2285196.

The previous prime is 3427793. The next prime is 3427799. The reversal of 3427797 is 7977243.

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: 7977243 = 3 ⋅2659081.

It is not a de Polignac number, because 3427797 - 2² = 3427793 is a prime.

It is a D-number.

It is a Duffinian number.

3427797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3427793) 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, 571297 + ... + 571302.

It is an arithmetic number, because the mean of its divisors is an integer number (1142600).

Almost surely, 2^3427797 is an apocalyptic number.

It is an amenable number.

3427797 is a deficient number, since it is larger than the sum of its proper divisors (1142603).

3427797 is a wasteful number, since it uses less digits than its factorization.

3427797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142602.

The product of its digits is 74088, while the sum is 39.

The square root of 3427797 is about 1851.4310681200. The cubic root of 3427797 is about 150.7781341790.

It can be divided in two parts, 3427 and 797, that added together give a palindrome (4224).

The spelling of 3427797 in words is "three million, four hundred twenty-seven thousand, seven hundred ninety-seven".