383672405 has 8 divisors (see below), whose sum is σ = 487489752. Its totient is φ = 288882688.

The previous prime is 383672381. The next prime is 383672411. The reversal of 383672405 is 504276383.

It can be written as a sum of positive squares in 4 ways, for example, as 133494916 + 250177489 = 11554^2 + 15817^2 .

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 383672405 - 2¹⁰ = 383671381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2256812 + ... + 2256981.

It is an arithmetic number, because the mean of its divisors is an integer number (60936219).

Almost surely, 2^383672405 is an apocalyptic number.

It is an amenable number.

383672405 is a deficient number, since it is larger than the sum of its proper divisors (103817347).

383672405 is a wasteful number, since it uses less digits than its factorization.

383672405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513815.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 383672405 is about 19587.5574025962. The cubic root of 383672405 is about 726.6414840145.

The spelling of 383672405 in words is "three hundred eighty-three million, six hundred seventy-two thousand, four hundred five".