2128974 has 8 divisors (see below), whose sum is σ = 4257960. Its totient is φ = 709656.

The previous prime is 2128963. The next prime is 2128991. The reversal of 2128974 is 4798212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2128974 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 177409 + ... + 177420.

It is an arithmetic number, because the mean of its divisors is an integer number (532245).

2^2128974 is an apocalyptic number.

2128974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2128974 is a wasteful number, since it uses less digits than its factorization.

2128974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354834.

The product of its digits is 8064, while the sum is 33.

The square root of 2128974 is about 1459.1004077856. The cubic root of 2128974 is about 128.6441729436.

The spelling of 2128974 in words is "two million, one hundred twenty-eight thousand, nine hundred seventy-four".