2129370 has 16 divisors (see below), whose sum is σ = 5110560. Its totient is φ = 567824.

The previous prime is 2129357. The next prime is 2129371. The reversal of 2129370 is 739212.

It is a self number, because there is not a number n which added to its sum of digits gives 2129370.

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, 35460 + ... + 35519.

It is an arithmetic number, because the mean of its divisors is an integer number (319410).

2^2129370 is an apocalyptic number.

2129370 is an abundant number, since it is smaller than the sum of its proper divisors (2981190).

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

2129370 is a wasteful number, since it uses less digits than its factorization.

2129370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70989.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 2129370 is about 1459.2361015271. The cubic root of 2129370 is about 128.6521486061.

The spelling of 2129370 in words is "two million, one hundred twenty-nine thousand, three hundred seventy".