83967740 has 24 divisors (see below), whose sum is σ = 176510880. Its totient is φ = 33553088.

The previous prime is 83967727. The next prime is 83967769. The reversal of 83967740 is 4776938.

It is a junction number, because it is equal to n+sod(n) for n = 83967691 and 83967700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29834 + ... + 32526.

It is an arithmetic number, because the mean of its divisors is an integer number (7354620).

Almost surely, 2^83967740 is an apocalyptic number.

It is an amenable number.

83967740 is an abundant number, since it is smaller than the sum of its proper divisors (92543140).

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

83967740 is a wasteful number, since it uses less digits than its factorization.

83967740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4259 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 83967740 is about 9163.3912936205. The cubic root of 83967740 is about 437.8958420135.

The spelling of 83967740 in words is "eighty-three million, nine hundred sixty-seven thousand, seven hundred forty".