39976141 has 4 divisors (see below), whose sum is σ = 39999484. Its totient is φ = 39952800.

The previous prime is 39976127. The next prime is 39976147. The reversal of 39976141 is 14167993.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10055241 + 29920900 = 3171^2 + 5470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39976141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39976094 and 39976103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39976147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8880 + ... + 12601.

It is an arithmetic number, because the mean of its divisors is an integer number (9999871).

Almost surely, 2^39976141 is an apocalyptic number.

It is an amenable number.

39976141 is a deficient number, since it is larger than the sum of its proper divisors (23343).

39976141 is a wasteful number, since it uses less digits than its factorization.

39976141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23342.

The product of its digits is 40824, while the sum is 40.

The square root of 39976141 is about 6322.6688194148. The cubic root of 39976141 is about 341.9271786178.

The spelling of 39976141 in words is "thirty-nine million, nine hundred seventy-six thousand, one hundred forty-one".