3280401 has 12 divisors (see below), whose sum is σ = 4804228. Its totient is φ = 2156544.

The previous prime is 3280391. The next prime is 3280423. The reversal of 3280401 is 1040823.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1498176 + 1782225 = 1224^2 + 1335^2 .

It is not a de Polignac number, because 3280401 - 2¹⁰ = 3279377 is a prime.

It is a super-2 number, since 2×3280401² = 21522061441602, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3280441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1840 + ... + 3153.

Almost surely, 2^3280401 is an apocalyptic number.

It is an amenable number.

3280401 is a deficient number, since it is larger than the sum of its proper divisors (1523827).

3280401 is a wasteful number, since it uses less digits than its factorization.

3280401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072 (or 5069 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3280401 is about 1811.1877318489. The cubic root of 3280401 is about 148.5852314856.

The spelling of 3280401 in words is "three million, two hundred eighty thousand, four hundred one".