5661892 has 6 divisors (see below), whose sum is σ = 9908318. Its totient is φ = 2830944.

The previous prime is 5661839. The next prime is 5661893. The reversal of 5661892 is 2981665.

It can be written as a sum of positive squares in only one way, i.e., 4946176 + 715716 = 2224^2 + 846^2 .

It is not an unprimeable number, because it can be changed into a prime (5661893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707733 + ... + 707740.

Almost surely, 2^5661892 is an apocalyptic number.

It is an amenable number.

5661892 is a deficient number, since it is larger than the sum of its proper divisors (4246426).

5661892 is a wasteful number, since it uses less digits than its factorization.

5661892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415477 (or 1415475 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 5661892 is about 2379.4730509085. The cubic root of 5661892 is about 178.2326210003.

The spelling of 5661892 in words is "five million, six hundred sixty-one thousand, eight hundred ninety-two".