1862398 has 4 divisors (see below), whose sum is σ = 2793600. Its totient is φ = 931198.

The previous prime is 1862383. The next prime is 1862407. The reversal of 1862398 is 8932681.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465598 + ... + 465601.

It is an arithmetic number, because the mean of its divisors is an integer number (698400).

2^1862398 is an apocalyptic number.

1862398 is a deficient number, since it is larger than the sum of its proper divisors (931202).

1862398 is an equidigital number, since it uses as much as digits as its factorization.

1862398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931201.

The product of its digits is 20736, while the sum is 37.

The square root of 1862398 is about 1364.6970359754. The cubic root of 1862398 is about 123.0337228793.

It can be divided in two parts, 18623 and 98, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 1862398 in words is "one million, eight hundred sixty-two thousand, three hundred ninety-eight".