2049428 has 12 divisors (see below), whose sum is σ = 3597972. Its totient is φ = 1021440.

The previous prime is 2049427. The next prime is 2049431. The reversal of 2049428 is 8249402.

It can be written as a sum of positive squares in 2 ways, for example, as 232324 + 1817104 = 482^2 + 1348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2049428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049427) 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 3 ways as a sum of consecutive naturals, for example, 1076 + ... + 2292.

It is an arithmetic number, because the mean of its divisors is an integer number (299831).

2^2049428 is an apocalyptic number.

It is an amenable number.

2049428 is a deficient number, since it is larger than the sum of its proper divisors (1548544).

2049428 is a wasteful number, since it uses less digits than its factorization.

2049428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2049428 is about 1431.5823413272. The cubic root of 2049428 is about 127.0215930383.

The spelling of 2049428 in words is "two million, forty-nine thousand, four hundred twenty-eight".