387631333 has 8 divisors (see below), whose sum is σ = 392685696. Its totient is φ = 382602000.

The previous prime is 387631291. The next prime is 387631337. The reversal of 387631333 is 333136783.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387631333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 387631292 and 387631301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387631337) 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, 25983 + ... + 38083.

It is an arithmetic number, because the mean of its divisors is an integer number (49085712).

Almost surely, 2^387631333 is an apocalyptic number.

It is an amenable number.

387631333 is a deficient number, since it is larger than the sum of its proper divisors (5054363).

387631333 is a wasteful number, since it uses less digits than its factorization.

387631333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12515.

The product of its digits is 81648, while the sum is 37.

The square root of 387631333 is about 19688.3552639625. The cubic root of 387631333 is about 729.1322227445.

The spelling of 387631333 in words is "three hundred eighty-seven million, six hundred thirty-one thousand, three hundred thirty-three".