1604053399 has 8 divisors (see below), whose sum is σ = 1730121120. Its totient is φ = 1478368416.

The previous prime is 1604053393. The next prime is 1604053441. The reversal of 1604053399 is 9933504061.

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

It is a cyclic number.

It is not a de Polignac number, because 1604053399 - 2¹³ = 1604045207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604053393) 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, 86944 + ... + 103765.

It is an arithmetic number, because the mean of its divisors is an integer number (216265140).

Almost surely, 2^1604053399 is an apocalyptic number.

1604053399 is a deficient number, since it is larger than the sum of its proper divisors (126067721).

1604053399 is a wasteful number, since it uses less digits than its factorization.

1604053399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191369.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 1604053399 is about 40050.6354381550. The cubic root of 1604053399 is about 1170.5939466138.

The spelling of 1604053399 in words is "one billion, six hundred four million, fifty-three thousand, three hundred ninety-nine".