2042370 has 48 divisors (see below), whose sum is σ = 5795712. Its totient is φ = 494880.

The previous prime is 2042357. The next prime is 2042389. The reversal of 2042370 is 732402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42 + ... + 2021.

It is an arithmetic number, because the mean of its divisors is an integer number (120744).

2^2042370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2042370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2897856).

2042370 is an abundant number, since it is smaller than the sum of its proper divisors (3753342).

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

2042370 is a wasteful number, since it uses less digits than its factorization.

2042370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087 (or 2084 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 2042370 is about 1429.1151108291. The cubic root of 2042370 is about 126.8756092895.

Adding to 2042370 its reverse (732402), we get a palindrome (2774772).

The spelling of 2042370 in words is "two million, forty-two thousand, three hundred seventy".