3489371946 has 20 divisors (see below), whose sum is σ = 7818778242. Its totient is φ = 1163123928.

The previous prime is 3489371939. The next prime is 3489371957. The reversal of 3489371946 is 6491739843.

It is a happy number.

3489371946 is a `hidden beast` number, since 3 + 489 + 3 + 71 + 94 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3296022921 + 193349025 = 57411^2 + 13905^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 3489371892 and 3489371901.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10769505 + ... + 10769828.

Almost surely, 2^3489371946 is an apocalyptic number.

3489371946 is an abundant number, since it is smaller than the sum of its proper divisors (4329406296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3489371946 is a wasteful number, since it uses less digits than its factorization.

3489371946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21539347 (or 21539338 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 3489371946 is about 59070.9060875149. The cubic root of 3489371946 is about 1516.7561167278.

The spelling of 3489371946 in words is "three billion, four hundred eighty-nine million, three hundred seventy-one thousand, nine hundred forty-six".