39481321 has 8 divisors (see below), whose sum is σ = 44460288. Its totient is φ = 34734000.

The previous prime is 39481307. The next prime is 39481333. The reversal of 39481321 is 12318493.

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 39481321 - 2⁵ = 39481289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39481391) 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, 57550 + ... + 58231.

It is an arithmetic number, because the mean of its divisors is an integer number (5557536).

Almost surely, 2^39481321 is an apocalyptic number.

39481321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

39481321 is a deficient number, since it is larger than the sum of its proper divisors (4978967).

39481321 is a wasteful number, since it uses less digits than its factorization.

39481321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115823.

The product of its digits is 5184, while the sum is 31.

The square root of 39481321 is about 6283.4163478159. The cubic root of 39481321 is about 340.5105392261.

The spelling of 39481321 in words is "thirty-nine million, four hundred eighty-one thousand, three hundred twenty-one".