1904229601 has 8 divisors (see below), whose sum is σ = 1950222344. Its totient is φ = 1858775040.

The previous prime is 1904229599. The next prime is 1904229611. The reversal of 1904229601 is 1069224091.

It can be written as a sum of positive squares in 4 ways, for example, as 15023376 + 1889206225 = 3876^2 + 43465^2 .

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 1904229601 - 2¹ = 1904229599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1904229611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127380 + ... + 141541.

It is an arithmetic number, because the mean of its divisors is an integer number (243777793).

Almost surely, 2^1904229601 is an apocalyptic number.

It is an amenable number.

1904229601 is a deficient number, since it is larger than the sum of its proper divisors (45992743).

1904229601 is an equidigital number, since it uses as much as digits as its factorization.

1904229601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269091.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1904229601 is about 43637.4793153775. The cubic root of 1904229601 is about 1239.4807054239.

The spelling of 1904229601 in words is "one billion, nine hundred four million, two hundred twenty-nine thousand, six hundred one".