3489672949 has 8 divisors (see below), whose sum is σ = 4009079808. Its totient is φ = 2975486640.

The previous prime is 3489672931. The next prime is 3489672961. The reversal of 3489672949 is 9492769843.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3489672949 - 2⁹ = 3489672437 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 (3489672919) 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 7 ways as a sum of consecutive naturals, for example, 1303702 + ... + 1306375.

It is an arithmetic number, because the mean of its divisors is an integer number (501134976).

Almost surely, 2^3489672949 is an apocalyptic number.

It is an amenable number.

3489672949 is a deficient number, since it is larger than the sum of its proper divisors (519406859).

3489672949 is a wasteful number, since it uses less digits than its factorization.

3489672949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610275.

The product of its digits is 23514624, while the sum is 61.

The square root of 3489672949 is about 59073.4538434989. The cubic root of 3489672949 is about 1516.7997286845.

The spelling of 3489672949 in words is "three billion, four hundred eighty-nine million, six hundred seventy-two thousand, nine hundred forty-nine".