1904631429 has 8 divisors (see below), whose sum is σ = 2540429632. Its totient is φ = 1269293760.

The previous prime is 1904631427. The next prime is 1904631433. The reversal of 1904631429 is 9241364091.

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

It is not a de Polignac number, because 1904631429 - 2¹ = 1904631427 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904631427) 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, 105364 + ... + 122109.

It is an arithmetic number, because the mean of its divisors is an integer number (317553704).

Almost surely, 2^1904631429 is an apocalyptic number.

It is an amenable number.

1904631429 is a deficient number, since it is larger than the sum of its proper divisors (635798203).

1904631429 is a wasteful number, since it uses less digits than its factorization.

1904631429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230267.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1904631429 is about 43642.0832339612. The cubic root of 1904631429 is about 1239.5678838159.

The spelling of 1904631429 in words is "one billion, nine hundred four million, six hundred thirty-one thousand, four hundred twenty-nine".