2128377 has 8 divisors (see below), whose sum is σ = 2845216. Its totient is φ = 1415232.

The previous prime is 2128333. The next prime is 2128381. The reversal of 2128377 is 7738212.

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

It is not a de Polignac number, because 2128377 - 2¹¹ = 2126329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2128327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (355652).

2^2128377 is an apocalyptic number.

It is an amenable number.

2128377 is a deficient number, since it is larger than the sum of its proper divisors (716839).

2128377 is a wasteful number, since it uses less digits than its factorization.

2128377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847.

The product of its digits is 4704, while the sum is 30.

The square root of 2128377 is about 1458.8958153343. The cubic root of 2128377 is about 128.6321471585.

The spelling of 2128377 in words is "two million, one hundred twenty-eight thousand, three hundred seventy-seven".