1795240 has 32 divisors (see below), whose sum is σ = 4151880. Its totient is φ = 698112.

The previous prime is 1795229. The next prime is 1795247. The reversal of 1795240 is 425971.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1340964 + 454276 = 1158^2 + 674^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1795199 and 1795208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1795247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874 + ... + 2086.

2^1795240 is an apocalyptic number.

1795240 is a gapful number since it is divisible by the number (10) 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 1795240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2075940).

1795240 is an abundant number, since it is smaller than the sum of its proper divisors (2356640).

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

1795240 is a wasteful number, since it uses less digits than its factorization.

1795240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1795240 is about 1339.8656649082. The cubic root of 1795240 is about 121.5367182853.

The spelling of 1795240 in words is "one million, seven hundred ninety-five thousand, two hundred forty".