2129379 has 8 divisors (see below), whose sum is σ = 3244800. Its totient is φ = 1216776.

The previous prime is 2129371. The next prime is 2129389. The reversal of 2129379 is 9739212.

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

It is not a de Polignac number, because 2129379 - 2³ = 2129371 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2129371) 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, 50679 + ... + 50720.

It is an arithmetic number, because the mean of its divisors is an integer number (405600).

2^2129379 is an apocalyptic number.

2129379 is a deficient number, since it is larger than the sum of its proper divisors (1115421).

2129379 is a wasteful number, since it uses less digits than its factorization.

2129379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101409.

The product of its digits is 6804, while the sum is 33.

The square root of 2129379 is about 1459.2391853291. The cubic root of 2129379 is about 128.6523298596.

It can be divided in two parts, 212 and 9379, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 2129379 in words is "two million, one hundred twenty-nine thousand, three hundred seventy-nine".