387669633 has 8 divisors (see below), whose sum is σ = 556653888. Its totient is φ = 238565904.

The previous prime is 387669631. The next prime is 387669679. The reversal of 387669633 is 336966783.

It is a happy number.

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

It is not a de Polignac number, because 387669633 - 2¹ = 387669631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387669631) 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, 4970085 + ... + 4970162.

It is an arithmetic number, because the mean of its divisors is an integer number (69581736).

Almost surely, 2^387669633 is an apocalyptic number.

It is an amenable number.

387669633 is a deficient number, since it is larger than the sum of its proper divisors (168984255).

387669633 is a wasteful number, since it uses less digits than its factorization.

387669633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9940263.

The product of its digits is 2939328, while the sum is 51.

The square root of 387669633 is about 19689.3278960964. The cubic root of 387669633 is about 729.1562359774.

The spelling of 387669633 in words is "three hundred eighty-seven million, six hundred sixty-nine thousand, six hundred thirty-three".