39903101 has 12 divisors (see below), whose sum is σ = 48020220. Its totient is φ = 33022080.

The previous prime is 39903077. The next prime is 39903113. The reversal of 39903101 is 10130993.

It can be written as a sum of positive squares in 2 ways, for example, as 15202201 + 24700900 = 3899^2 + 4970^2 .

It is not a de Polignac number, because 39903101 - 2²² = 35708797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39903121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12620 + ... + 15461.

It is an arithmetic number, because the mean of its divisors is an integer number (4001685).

Almost surely, 2^39903101 is an apocalyptic number.

It is an amenable number.

39903101 is a deficient number, since it is larger than the sum of its proper divisors (8117119).

39903101 is a wasteful number, since it uses less digits than its factorization.

39903101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28124 (or 28117 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 39903101 is about 6316.8901367682. The cubic root of 39903101 is about 341.7188077738.

It can be divided in two parts, 39903 and 101, that added together give a palindrome (40004).

The spelling of 39903101 in words is "thirty-nine million, nine hundred three thousand, one hundred one".