3781363 has 4 divisors (see below), whose sum is σ = 3883600. Its totient is φ = 3679128.

The previous prime is 3781313. The next prime is 3781367. The reversal of 3781363 is 3631873.

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

It is a cyclic number.

It is not a de Polignac number, because 3781363 - 2¹³ = 3773171 is a prime.

It is a super-2 number, since 2×3781363² = 28597412275538, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3 + 7⁴ + 8⁷ + 1 + 3 + 6⁸ + 3⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3781367) 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, 51063 + ... + 51136.

It is an arithmetic number, because the mean of its divisors is an integer number (970900).

Almost surely, 2^3781363 is an apocalyptic number.

3781363 is a deficient number, since it is larger than the sum of its proper divisors (102237).

3781363 is a wasteful number, since it uses less digits than its factorization.

3781363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102236.

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

The square root of 3781363 is about 1944.5727037064. The cubic root of 3781363 is about 155.7935440052.

The spelling of 3781363 in words is "three million, seven hundred eighty-one thousand, three hundred sixty-three".