1804149357 has 8 divisors (see below), whose sum is σ = 2419437984. Its totient is φ = 1195813488.

The previous prime is 1804149331. The next prime is 1804149367. The reversal of 1804149357 is 7539414081.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1804149357 - 2⁸ = 1804149101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804149317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1737583 + ... + 1738620.

It is an arithmetic number, because the mean of its divisors is an integer number (302429748).

Almost surely, 2^1804149357 is an apocalyptic number.

It is an amenable number.

1804149357 is a deficient number, since it is larger than the sum of its proper divisors (615288627).

1804149357 is a wasteful number, since it uses less digits than its factorization.

1804149357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476379.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1804149357 is about 42475.2793634133. The cubic root of 1804149357 is about 1217.3743939277.

The spelling of 1804149357 in words is "one billion, eight hundred four million, one hundred forty-nine thousand, three hundred fifty-seven".