3426861940 has 48 divisors (see below), whose sum is σ = 7236915840. Its totient is φ = 1363057280.

The previous prime is 3426861913. The next prime is 3426861947. The reversal of 3426861940 is 491686243.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3426861947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4084041 + ... + 4084879.

It is an arithmetic number, because the mean of its divisors is an integer number (150769080).

Almost surely, 2^3426861940 is an apocalyptic number.

It is an amenable number.

3426861940 is an abundant number, since it is smaller than the sum of its proper divisors (3810053900).

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

3426861940 is a wasteful number, since it uses less digits than its factorization.

3426861940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 1750 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 3426861940 is about 58539.4050191834. The cubic root of 3426861940 is about 1507.6442280466.

The spelling of 3426861940 in words is "three billion, four hundred twenty-six million, eight hundred sixty-one thousand, nine hundred forty".