3611142 has 20 divisors (see below), whose sum is σ = 8091996. Its totient is φ = 1203660.

The previous prime is 3611129. The next prime is 3611147. The reversal of 3611142 is 2411163.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3611147) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10984 + ... + 11307.

Almost surely, 2^3611142 is an apocalyptic number.

3611142 is an abundant number, since it is smaller than the sum of its proper divisors (4480854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3611142 is a wasteful number, since it uses less digits than its factorization.

3611142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22305 (or 22296 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 3611142 is about 1900.3005025522. The cubic root of 3611142 is about 153.4198388160.

The spelling of 3611142 in words is "three million, six hundred eleven thousand, one hundred forty-two".