3781552 has 20 divisors (see below), whose sum is σ = 7388416. Its totient is φ = 1874880.

The previous prime is 3781543. The next prime is 3781559. The reversal of 3781552 is 2551873.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3781559) 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, 1102 + ... + 2962.

Almost surely, 2^3781552 is an apocalyptic number.

It is an amenable number.

3781552 is a deficient number, since it is larger than the sum of its proper divisors (3606864).

3781552 is a wasteful number, since it uses less digits than its factorization.

3781552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1990 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 3781552 is about 1944.6212998936. The cubic root of 3781552 is about 155.7961395851.

The spelling of 3781552 in words is "three million, seven hundred eighty-one thousand, five hundred fifty-two".