3279421 has 8 divisors (see below), whose sum is σ = 3425624. Its totient is φ = 3136320.

The previous prime is 3279401. The next prime is 3279431. The reversal of 3279421 is 1249723.

It can be written as a sum of positive squares in 4 ways, for example, as 1144900 + 2134521 = 1070^2 + 1461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3279421 - 2⁷ = 3279293 is a prime.

It is a super-3 number, since 3×3279421³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3279421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3279401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1531 + ... + 2983.

It is an arithmetic number, because the mean of its divisors is an integer number (428203).

Almost surely, 2^3279421 is an apocalyptic number.

It is an amenable number.

3279421 is a deficient number, since it is larger than the sum of its proper divisors (146203).

3279421 is a wasteful number, since it uses less digits than its factorization.

3279421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551.

The product of its digits is 3024, while the sum is 28.

The square root of 3279421 is about 1810.9171709385. The cubic root of 3279421 is about 148.5704336983.

The spelling of 3279421 in words is "three million, two hundred seventy-nine thousand, four hundred twenty-one".