3280402 has 4 divisors (see below), whose sum is σ = 4920606. Its totient is φ = 1640200.

The previous prime is 3280391. The next prime is 3280423. The reversal of 3280402 is 2040823.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3272481 + 7921 = 1809^2 + 89^2 .

It is a super-2 number, since 2×3280402² = 21522074563208, which contains 22 as substring.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 3280402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820099 + ... + 820102.

Almost surely, 2^3280402 is an apocalyptic number.

3280402 is a deficient number, since it is larger than the sum of its proper divisors (1640204).

3280402 is a wasteful number, since it uses less digits than its factorization.

3280402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640203.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3280402 is about 1811.1880079108. The cubic root of 3280402 is about 148.5852465839.

The spelling of 3280402 in words is "three million, two hundred eighty thousand, four hundred two".