2141428 has 12 divisors (see below), whose sum is σ = 3773700. Its totient is φ = 1063232.

The previous prime is 2141417. The next prime is 2141437. The reversal of 2141428 is 8241412.

It can be written as a sum of positive squares in 2 ways, for example, as 446224 + 1695204 = 668^2 + 1302^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2141399 and 2141408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201 + ... + 2392.

It is an arithmetic number, because the mean of its divisors is an integer number (314475).

2^2141428 is an apocalyptic number.

It is an amenable number.

2141428 is a deficient number, since it is larger than the sum of its proper divisors (1632272).

2141428 is a wasteful number, since it uses less digits than its factorization.

2141428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746 (or 3744 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The square root of 2141428 is about 1463.3618827891. The cubic root of 2141428 is about 128.8945315053.

The spelling of 2141428 in words is "two million, one hundred forty-one thousand, four hundred twenty-eight".