39397841 has 8 divisors (see below), whose sum is σ = 45077760. Its totient is φ = 33730848.

The previous prime is 39397837. The next prime is 39397861. The reversal of 39397841 is 14879393.

It is a happy number.

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 39397841 - 2² = 39397837 is a prime.

It is a super-2 number, since 2×39397841² = 3104379750922562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39397792 and 39397801.

It is not an unprimeable number, because it can be changed into a prime (39397801) 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, 4565 + ... + 9981.

It is an arithmetic number, because the mean of its divisors is an integer number (5634720).

Almost surely, 2^39397841 is an apocalyptic number.

It is an amenable number.

39397841 is a deficient number, since it is larger than the sum of its proper divisors (5679919).

39397841 is a wasteful number, since it uses less digits than its factorization.

39397841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463.

The product of its digits is 163296, while the sum is 44.

The square root of 39397841 is about 6276.7699495839. The cubic root of 39397841 is about 340.2703760524.

The spelling of 39397841 in words is "thirty-nine million, three hundred ninety-seven thousand, eight hundred forty-one".