3781522 has 8 divisors (see below), whose sum is σ = 5918976. Its totient is φ = 1808532.

The previous prime is 3781517. The next prime is 3781543. The reversal of 3781522 is 2251873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41058 + ... + 41149.

It is an arithmetic number, because the mean of its divisors is an integer number (739872).

Almost surely, 2^3781522 is an apocalyptic number.

3781522 is a deficient number, since it is larger than the sum of its proper divisors (2137454).

3781522 is a wasteful number, since it uses less digits than its factorization.

3781522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82232.

The product of its digits is 3360, while the sum is 28.

The square root of 3781522 is about 1944.6135862942. The cubic root of 3781522 is about 155.7957275941.

The spelling of 3781522 in words is "three million, seven hundred eighty-one thousand, five hundred twenty-two".