1304985629 has 8 divisors (see below), whose sum is σ = 1336420800. Its totient is φ = 1273599936.

The previous prime is 1304985611. The next prime is 1304985653. The reversal of 1304985629 is 9265894031.

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 1304985629 - 2¹² = 1304981533 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 (1304285629) 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, 44072 + ... + 67470.

It is an arithmetic number, because the mean of its divisors is an integer number (167052600).

Almost surely, 2^1304985629 is an apocalyptic number.

It is an amenable number.

1304985629 is a deficient number, since it is larger than the sum of its proper divisors (31435171).

1304985629 is a wasteful number, since it uses less digits than its factorization.

1304985629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24739.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 1304985629 is about 36124.5848280641. The cubic root of 1304985629 is about 1092.7863032768.

The spelling of 1304985629 in words is "one billion, three hundred four million, nine hundred eighty-five thousand, six hundred twenty-nine".