1979413908 has 48 divisors (see below), whose sum is σ = 4894464960. Its totient is φ = 621510400.

The previous prime is 1979413859. The next prime is 1979413993. The reversal of 1979413908 is 8093149791.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55098 + ... + 83633.

It is an arithmetic number, because the mean of its divisors is an integer number (101968020).

Almost surely, 2^1979413908 is an apocalyptic number.

It is an amenable number.

1979413908 is an abundant number, since it is smaller than the sum of its proper divisors (2915051052).

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

1979413908 is a wasteful number, since it uses less digits than its factorization.

1979413908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138808 (or 138806 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 1979413908 is about 44490.6047160521. The cubic root of 1979413908 is about 1255.5833244329.

The spelling of 1979413908 in words is "one billion, nine hundred seventy-nine million, four hundred thirteen thousand, nine hundred eight".