3939087901 has 12 divisors (see below), whose sum is σ = 4851746748. Its totient is φ = 3177750912.

The previous prime is 3939087899. The next prime is 3939087913. The reversal of 3939087901 is 1097809393.

It can be written as a sum of positive squares in 2 ways, for example, as 1367076676 + 2572011225 = 36974^2 + 50715^2 .

It is not a de Polignac number, because 3939087901 - 2¹ = 3939087899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3939087301) 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, 2363566 + ... + 2365231.

It is an arithmetic number, because the mean of its divisors is an integer number (404312229).

Almost surely, 2^3939087901 is an apocalyptic number.

It is an amenable number.

3939087901 is a deficient number, since it is larger than the sum of its proper divisors (912658847).

3939087901 is a wasteful number, since it uses less digits than its factorization.

3939087901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728828 (or 4728821 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 3939087901 is about 62762.1534127057. The cubic root of 3939087901 is about 1579.3021408060.

The spelling of 3939087901 in words is "three billion, nine hundred thirty-nine million, eighty-seven thousand, nine hundred one".