39796641 has 6 divisors (see below), whose sum is σ = 57484050. Its totient is φ = 26531088.

The previous prime is 39796567. The next prime is 39796681. The reversal of 39796641 is 14669793.

It can be written as a sum of positive squares in only one way, i.e., 31979025 + 7817616 = 5655^2 + 2796^2 .

It is not a de Polignac number, because 39796641 - 2⁷ = 39796513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39796681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2210916 + ... + 2210933.

It is an arithmetic number, because the mean of its divisors is an integer number (9580675).

Almost surely, 2^39796641 is an apocalyptic number.

It is an amenable number.

39796641 is a deficient number, since it is larger than the sum of its proper divisors (17687409).

39796641 is a wasteful number, since it uses less digits than its factorization.

39796641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421855 (or 4421852 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 39796641 is about 6308.4578939706. The cubic root of 39796641 is about 341.4146393896.

The spelling of 39796641 in words is "thirty-nine million, seven hundred ninety-six thousand, six hundred forty-one".