361988712 has 24 divisors (see below), whose sum is σ = 980386290. Its totient is φ = 120662880.

The previous prime is 361988687. The next prime is 361988717. The reversal of 361988712 is 217889163.

It can be written as a sum of positive squares in only one way, i.e., 361988676 + 36 = 19026^2 + 6^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (361988717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2513739 + ... + 2513882.

Almost surely, 2^361988712 is an apocalyptic number.

It is an amenable number.

361988712 is an abundant number, since it is smaller than the sum of its proper divisors (618397578).

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

361988712 is a wasteful number, since it uses less digits than its factorization.

361988712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027633 (or 5027626 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 361988712 is about 19026.0009460738. Note that the first 3 decimals coincide. The cubic root of 361988712 is about 712.6861888298.

The spelling of 361988712 in words is "three hundred sixty-one million, nine hundred eighty-eight thousand, seven hundred twelve".