3489939237 has 4 divisors (see below), whose sum is σ = 4653252320. Its totient is φ = 2326626156.

The previous prime is 3489939223. The next prime is 3489939307. The reversal of 3489939237 is 7329399843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-3489939237 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 (3489939737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581656537 + ... + 581656542.

It is an arithmetic number, because the mean of its divisors is an integer number (1163313080).

Almost surely, 2^3489939237 is an apocalyptic number.

It is an amenable number.

3489939237 is a deficient number, since it is larger than the sum of its proper divisors (1163313083).

3489939237 is a wasteful number, since it uses less digits than its factorization.

3489939237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163313082.

The product of its digits is 8817984, while the sum is 57.

The square root of 3489939237 is about 59075.7076724435. The cubic root of 3489939237 is about 1516.8383087366.

The spelling of 3489939237 in words is "three billion, four hundred eighty-nine million, nine hundred thirty-nine thousand, two hundred thirty-seven".