39738901 has 2 divisors, whose sum is σ = 39738902. Its totient is φ = 39738900.

The previous prime is 39738857. The next prime is 39738943. The reversal of 39738901 is 10983793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39050001 + 688900 = 6249^2 + 830^2 .

It is a cyclic number.

It is not a de Polignac number, because 39738901 - 2¹³ = 39730709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39738991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19869450 + 19869451.

It is an arithmetic number, because the mean of its divisors is an integer number (19869451).

Almost surely, 2^39738901 is an apocalyptic number.

It is an amenable number.

39738901 is a deficient number, since it is larger than the sum of its proper divisors (1).

39738901 is an equidigital number, since it uses as much as digits as its factorization.

39738901 is an evil number, because the sum of its binary digits is even.

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

The square root of 39738901 is about 6303.8798370527. The cubic root of 39738901 is about 341.2494426769.

The spelling of 39738901 in words is "thirty-nine million, seven hundred thirty-eight thousand, nine hundred one".