1849428 has 72 divisors (see below), whose sum is σ = 5503680. Its totient is φ = 512640.

The previous prime is 1849423. The next prime is 1849433. The reversal of 1849428 is 8249481.

It is an interprime number because it is at equal distance from previous prime (1849423) and next prime (1849433).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1849392 and 1849401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1849423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10243 + ... + 10421.

It is an arithmetic number, because the mean of its divisors is an integer number (76440).

2^1849428 is an apocalyptic number.

1849428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1849428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2751840).

1849428 is an abundant number, since it is smaller than the sum of its proper divisors (3654252).

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

1849428 is a wasteful number, since it uses less digits than its factorization.

1849428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 232 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1849428 is about 1359.9367632357. The cubic root of 1849428 is about 122.7474492828.

The spelling of 1849428 in words is "one million, eight hundred forty-nine thousand, four hundred twenty-eight".