3363781 has 8 divisors (see below), whose sum is σ = 3478520. Its totient is φ = 3250368.

The previous prime is 3363769. The next prime is 3363791. The reversal of 3363781 is 1873633.

It can be written as a sum of positive squares in 4 ways, for example, as 2280100 + 1083681 = 1510^2 + 1041^2 .

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 3363781 - 2⁵ = 3363749 is a prime.

It is a super-2 number, since 2×3363781² = 22630045231922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3363721) 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, 8275 + ... + 8671.

It is an arithmetic number, because the mean of its divisors is an integer number (434815).

Almost surely, 2^3363781 is an apocalyptic number.

It is an amenable number.

3363781 is a deficient number, since it is larger than the sum of its proper divisors (114739).

3363781 is a wasteful number, since it uses less digits than its factorization.

3363781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663.

The product of its digits is 9072, while the sum is 31.

The square root of 3363781 is about 1834.0613403046. The cubic root of 3363781 is about 149.8336080857.

The spelling of 3363781 in words is "three million, three hundred sixty-three thousand, seven hundred eighty-one".