1862428 has 12 divisors (see below), whose sum is σ = 3270960. Its totient is φ = 927872.

The previous prime is 1862417. The next prime is 1862429. The reversal of 1862428 is 8242681.

It is a self number, because there is not a number n which added to its sum of digits gives 1862428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1862429) 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, 753 + ... + 2071.

It is an arithmetic number, because the mean of its divisors is an integer number (272580).

2^1862428 is an apocalyptic number.

It is an amenable number.

1862428 is a deficient number, since it is larger than the sum of its proper divisors (1408532).

1862428 is a wasteful number, since it uses less digits than its factorization.

1862428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1674 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 1862428 is about 1364.7080273817. The cubic root of 1862428 is about 123.0343834957.

The spelling of 1862428 in words is "one million, eight hundred sixty-two thousand, four hundred twenty-eight".