3780531 has 12 divisors (see below), whose sum is σ = 5516160. Its totient is φ = 2494800.

The previous prime is 3780521. The next prime is 3780541. The reversal of 3780531 is 1350873.

It is an interprime number because it is at equal distance from previous prime (3780521) and next prime (3780541).

It is not a de Polignac number, because 3780531 - 2⁵ = 3780499 is a prime.

It is a super-2 number, since 2×3780531² = 28584829283922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3780495 and 3780504.

It is not an unprimeable number, because it can be changed into a prime (3780521) 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, 1171 + ... + 2988.

It is an arithmetic number, because the mean of its divisors is an integer number (459680).

Almost surely, 2^3780531 is an apocalyptic number.

3780531 is a deficient number, since it is larger than the sum of its proper divisors (1735629).

3780531 is a wasteful number, since it uses less digits than its factorization.

3780531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266 (or 4263 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 3780531 is about 1944.3587631916. The cubic root of 3780531 is about 155.7821169319.

The spelling of 3780531 in words is "three million, seven hundred eighty thousand, five hundred thirty-one".