1863494 has 4 divisors (see below), whose sum is σ = 2795244. Its totient is φ = 931746.

The previous prime is 1863493. The next prime is 1863497. The reversal of 1863494 is 4943681.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1863493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465872 + ... + 465875.

It is an arithmetic number, because the mean of its divisors is an integer number (698811).

2^1863494 is an apocalyptic number.

1863494 is a deficient number, since it is larger than the sum of its proper divisors (931750).

1863494 is an equidigital number, since it uses as much as digits as its factorization.

1863494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931749.

The product of its digits is 20736, while the sum is 35.

The square root of 1863494 is about 1365.0985312423. The cubic root of 1863494 is about 123.0578527945.

The spelling of 1863494 in words is "one million, eight hundred sixty-three thousand, four hundred ninety-four".