662084361 has 21 divisors (see below), whose sum is σ = 993715159. Its totient is φ = 440926416.

The previous prime is 662084351. The next prime is 662084389. The reversal of 662084361 is 163480266.

The square root of 662084361 is 25731.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 275726025 + 386358336 = 16605^2 + 19656^2 .

It is not a de Polignac number, because 662084361 - 2¹⁹ = 661560073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662084351) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 694261 + ... + 695213.

Almost surely, 2^662084361 is an apocalyptic number.

662084361 is the 25731-st square number.

662084361 is the 12866-th centered octagonal number.

It is an amenable number.

662084361 is a deficient number, since it is larger than the sum of its proper divisors (331630798).

662084361 is an frugal number, since it uses more digits than its factorization.

662084361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The cubic root of 662084361 is about 871.5743550306.

Multiplying 662084361 by its sum of digits (36), we get a square (23835036996 = 154386²).

The spelling of 662084361 in words is "six hundred sixty-two million, eighty-four thousand, three hundred sixty-one".