1798436 has 6 divisors (see below), whose sum is σ = 3147270. Its totient is φ = 899216.

The previous prime is 1798429. The next prime is 1798441. The reversal of 1798436 is 6348971.

It can be written as a sum of positive squares in only one way, i.e., 1577536 + 220900 = 1256^2 + 470^2 .

It is a super-3 number, since 3×1798436³ = 17450433375278117568, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1798436.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224801 + ... + 224808.

It is an arithmetic number, because the mean of its divisors is an integer number (524545).

2^1798436 is an apocalyptic number.

It is an amenable number.

1798436 is a deficient number, since it is larger than the sum of its proper divisors (1348834).

1798436 is a wasteful number, since it uses less digits than its factorization.

1798436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449613 (or 449611 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 1798436 is about 1341.0577914467. The cubic root of 1798436 is about 121.6087979842.

The spelling of 1798436 in words is "one million, seven hundred ninety-eight thousand, four hundred thirty-six".