3279427 has 4 divisors (see below), whose sum is σ = 3303160. Its totient is φ = 3255696.

The previous prime is 3279401. The next prime is 3279431. The reversal of 3279427 is 7249723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7249723 = 13 ⋅557671.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3279427 is a prime.

It is a Duffinian number.

3279427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3279392 and 3279401.

It is not an unprimeable number, because it can be changed into a prime (3279127) 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, 11658 + ... + 11935.

It is an arithmetic number, because the mean of its divisors is an integer number (825790).

Almost surely, 2^3279427 is an apocalyptic number.

3279427 is a deficient number, since it is larger than the sum of its proper divisors (23733).

3279427 is a wasteful number, since it uses less digits than its factorization.

3279427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23732.

The product of its digits is 21168, while the sum is 34.

The square root of 3279427 is about 1810.9188275569. The cubic root of 3279427 is about 148.5705243059.

The spelling of 3279427 in words is "three million, two hundred seventy-nine thousand, four hundred twenty-seven".