1798278 has 32 divisors (see below), whose sum is σ = 3822336. Its totient is φ = 562848.

The previous prime is 1798273. The next prime is 1798289. The reversal of 1798278 is 8728971.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11376 + ... + 11532.

It is an arithmetic number, because the mean of its divisors is an integer number (119448).

2^1798278 is an apocalyptic number.

1798278 is an abundant number, since it is smaller than the sum of its proper divisors (2024058).

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

1798278 is a wasteful number, since it uses less digits than its factorization.

1798278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

The product of its digits is 56448, while the sum is 42.

The square root of 1798278 is about 1340.9988814313. The cubic root of 1798278 is about 121.6052366022.

The spelling of 1798278 in words is "one million, seven hundred ninety-eight thousand, two hundred seventy-eight".