2131416 has 48 divisors (see below), whose sum is σ = 6598800. Its totient is φ = 608832.

The previous prime is 2131399. The next prime is 2131417. The reversal of 2131416 is 6141312.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1611 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (137475).

2^2131416 is an apocalyptic number.

It is an amenable number.

2131416 is an abundant number, since it is smaller than the sum of its proper divisors (4467384).

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

2131416 is a wasteful number, since it uses less digits than its factorization.

2131416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248 (or 4241 counting only the distinct ones).

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

The square root of 2131416 is about 1459.9369849415. The cubic root of 2131416 is about 128.6933404508.

Adding to 2131416 its reverse (6141312), we get a palindrome (8272728).

The spelling of 2131416 in words is "two million, one hundred thirty-one thousand, four hundred sixteen".