1802494 has 4 divisors (see below), whose sum is σ = 2703744. Its totient is φ = 901246.

The previous prime is 1802491. The next prime is 1802503. The reversal of 1802494 is 4942081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4942081 = 89 ⋅55529.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1802491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450622 + ... + 450625.

It is an arithmetic number, because the mean of its divisors is an integer number (675936).

2^1802494 is an apocalyptic number.

1802494 is a deficient number, since it is larger than the sum of its proper divisors (901250).

1802494 is an equidigital number, since it uses as much as digits as its factorization.

1802494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901249.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1802494 is about 1342.5699236911. The cubic root of 1802494 is about 121.7001955090.

The spelling of 1802494 in words is "one million, eight hundred two thousand, four hundred ninety-four".