3393961 has 4 divisors (see below), whose sum is σ = 3458052. Its totient is φ = 3329872.

The previous prime is 3393959. The next prime is 3393967. The reversal of 3393961 is 1693933.

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 2 ways, for example, as 1010025 + 2383936 = 1005^2 + 1544^2 .

It is a cyclic number.

It is not a de Polignac number, because 3393961 - 2¹ = 3393959 is a prime.

It is a Duffinian number.

3393961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3393967) 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, 31966 + ... + 32071.

It is an arithmetic number, because the mean of its divisors is an integer number (864513).

Almost surely, 2^3393961 is an apocalyptic number.

It is an amenable number.

3393961 is a deficient number, since it is larger than the sum of its proper divisors (64091).

3393961 is an equidigital number, since it uses as much as digits as its factorization.

3393961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64090.

The product of its digits is 13122, while the sum is 34.

The square root of 3393961 is about 1842.2706098725. The cubic root of 3393961 is about 150.2803792935.

The spelling of 3393961 in words is "three million, three hundred ninety-three thousand, nine hundred sixty-one".