3711381 has 8 divisors (see below), whose sum is σ = 4964544. Its totient is φ = 2466240.

The previous prime is 3711377. The next prime is 3711401. The reversal of 3711381 is 1831173.

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

It is not a de Polignac number, because 3711381 - 2² = 3711377 is a prime.

It is a super-2 number, since 2×3711381² = 27548697854322, which contains 22 as substring.

3711381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3711311) 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, 825 + ... + 2846.

It is an arithmetic number, because the mean of its divisors is an integer number (620568).

Almost surely, 2^3711381 is an apocalyptic number.

It is an amenable number.

3711381 is a deficient number, since it is larger than the sum of its proper divisors (1253163).

3711381 is a wasteful number, since it uses less digits than its factorization.

3711381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011.

The product of its digits is 504, while the sum is 24.

The square root of 3711381 is about 1926.4944848091. The cubic root of 3711381 is about 154.8264585639.

The spelling of 3711381 in words is "three million, seven hundred eleven thousand, three hundred eighty-one".