38641963 has 8 divisors (see below), whose sum is σ = 39432960. Its totient is φ = 37857960.

The previous prime is 38641961. The next prime is 38641973. The reversal of 38641963 is 36914683.

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 38641963 - 2¹ = 38641961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38641961) 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, 10228 + ... + 13486.

It is an arithmetic number, because the mean of its divisors is an integer number (4929120).

Almost surely, 2^38641963 is an apocalyptic number.

38641963 is a deficient number, since it is larger than the sum of its proper divisors (790997).

38641963 is a wasteful number, since it uses less digits than its factorization.

38641963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497.

The product of its digits is 93312, while the sum is 40.

The square root of 38641963 is about 6216.2660013870. The cubic root of 38641963 is about 338.0801923329.

The spelling of 38641963 in words is "thirty-eight million, six hundred forty-one thousand, nine hundred sixty-three".