3949280412 has 96 divisors (see below), whose sum is σ = 11988393984. Its totient is φ = 981182400.

The previous prime is 3949280399. The next prime is 3949280477. The reversal of 3949280412 is 2140829493.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71664 + ... + 114167.

It is an arithmetic number, because the mean of its divisors is an integer number (124879104).

Almost surely, 2^3949280412 is an apocalyptic number.

It is an amenable number.

3949280412 is an abundant number, since it is smaller than the sum of its proper divisors (8039113572).

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

3949280412 is a wasteful number, since it uses less digits than its factorization.

3949280412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185879 (or 185877 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 3949280412 is about 62843.3004543842. The cubic root of 3949280412 is about 1580.6631318862.

The spelling of 3949280412 in words is "three billion, nine hundred forty-nine million, two hundred eighty thousand, four hundred twelve".