2051346 has 16 divisors (see below), whose sum is σ = 4475808. Its totient is φ = 621600.

The previous prime is 2051341. The next prime is 2051359. The reversal of 2051346 is 6431502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2051341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15475 + ... + 15606.

It is an arithmetic number, because the mean of its divisors is an integer number (279738).

2^2051346 is an apocalyptic number.

2051346 is an abundant number, since it is smaller than the sum of its proper divisors (2424462).

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

2051346 is a wasteful number, since it uses less digits than its factorization.

2051346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31097.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2051346 is about 1432.2520727861. The cubic root of 2051346 is about 127.0612059537.

Subtracting from 2051346 its sum of digits (21), we obtain a triangular number (2051325 = T₂₀₂₅).

Adding to 2051346 its reverse (6431502), we get a palindrome (8482848).

It can be divided in two parts, 205 and 1346, that added together give a palindrome (1551).

The spelling of 2051346 in words is "two million, fifty-one thousand, three hundred forty-six".