39801043 has 2 divisors, whose sum is σ = 39801044. Its totient is φ = 39801042.

The previous prime is 39801031. The next prime is 39801053. The reversal of 39801043 is 34010893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39801043 - 2⁹ = 39800531 is a prime.

It is not a weakly prime, because it can be changed into another prime (39801053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19900521 + 19900522.

It is an arithmetic number, because the mean of its divisors is an integer number (19900522).

Almost surely, 2^39801043 is an apocalyptic number.

39801043 is a deficient number, since it is larger than the sum of its proper divisors (1).

39801043 is an equidigital number, since it uses as much as digits as its factorization.

39801043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 39801043 is about 6308.8067810007. The cubic root of 39801043 is about 341.4272271508.

The spelling of 39801043 in words is "thirty-nine million, eight hundred one thousand, forty-three".