1804382428 has 12 divisors (see below), whose sum is σ = 3188326960. Its totient is φ = 893431872.

The previous prime is 1804382417. The next prime is 1804382429. The reversal of 1804382428 is 8242834081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804382429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189373 + ... + 2190196.

Almost surely, 2^1804382428 is an apocalyptic number.

It is an amenable number.

1804382428 is a deficient number, since it is larger than the sum of its proper divisors (1383944532).

1804382428 is a wasteful number, since it uses less digits than its factorization.

1804382428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379676 (or 4379674 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 1804382428 is about 42478.0228824271. The cubic root of 1804382428 is about 1217.4268142828.

The spelling of 1804382428 in words is "one billion, eight hundred four million, three hundred eighty-two thousand, four hundred twenty-eight".