607967649 has 9 divisors (see below), whose sum is σ = 878282353. Its totient is φ = 405262452.

The previous prime is 607967621. The next prime is 607967653. The reversal of 607967649 is 946769706.

The square root of 607967649 is 24657.

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

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 607967649 - 2²³ = 599579041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 607967595 and 607967604.

It is not an unprimeable number, because it can be changed into a prime (607960649) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 69862 + ... + 78080.

Almost surely, 2^607967649 is an apocalyptic number.

607967649 is the 24657-th square number.

607967649 is the 12329-th centered octagonal number.

It is an amenable number.

607967649 is a deficient number, since it is larger than the sum of its proper divisors (270314704).

607967649 is an frugal number, since it uses more digits than its factorization.

607967649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16444 (or 8222 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The cubic root of 607967649 is about 847.1496910221.

It can be divided in two parts, 607 and 967649, that added together give a square (968256 = 984²).

The spelling of 607967649 in words is "six hundred seven million, nine hundred sixty-seven thousand, six hundred forty-nine".