2151414 has 16 divisors (see below), whose sum is σ = 4781040. Its totient is φ = 717120.

The previous prime is 2151403. The next prime is 2151421. The reversal of 2151414 is 4141512.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19867 + ... + 19974.

It is an arithmetic number, because the mean of its divisors is an integer number (298815).

2^2151414 is an apocalyptic number.

2151414 is an abundant number, since it is smaller than the sum of its proper divisors (2629626).

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

2151414 is a wasteful number, since it uses less digits than its factorization.

2151414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39852 (or 39846 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 2151414 is about 1466.7699206079. The cubic root of 2151414 is about 129.0945763988.

Adding to 2151414 its reverse (4141512), we get a palindrome (6292926).

It can be divided in two parts, 21514 and 14, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 2151414 in words is "two million, one hundred fifty-one thousand, four hundred fourteen".