387313829 has 8 divisors (see below), whose sum is σ = 442771968. Its totient is φ = 331887600.

The previous prime is 387313807. The next prime is 387313831. The reversal of 387313829 is 928313783.

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 387313829 - 2⁸ = 387313573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 387313829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387310829) 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, 30284 + ... + 41130.

It is an arithmetic number, because the mean of its divisors is an integer number (55346496).

Almost surely, 2^387313829 is an apocalyptic number.

It is an amenable number.

387313829 is a deficient number, since it is larger than the sum of its proper divisors (55458139).

387313829 is a wasteful number, since it uses less digits than its factorization.

387313829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15955.

The product of its digits is 217728, while the sum is 44.

The square root of 387313829 is about 19680.2903687928. The cubic root of 387313829 is about 728.9330939906.

The spelling of 387313829 in words is "three hundred eighty-seven million, three hundred thirteen thousand, eight hundred twenty-nine".