1740828 has 12 divisors (see below), whose sum is σ = 4061960. Its totient is φ = 580272.

The previous prime is 1740821. The next prime is 1740829. The reversal of 1740828 is 8280471.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1740795 and 1740804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1740821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72523 + ... + 72546.

2^1740828 is an apocalyptic number.

It is an amenable number.

1740828 is an abundant number, since it is smaller than the sum of its proper divisors (2321132).

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

1740828 is a wasteful number, since it uses less digits than its factorization.

1740828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145076 (or 145074 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1740828 is about 1319.4044110886. The cubic root of 1740828 is about 120.2962126600.

The spelling of 1740828 in words is "one million, seven hundred forty thousand, eight hundred twenty-eight".