608961439 has 4 divisors (see below), whose sum is σ = 610032240. Its totient is φ = 607890640.

The previous prime is 608961433. The next prime is 608961443. The reversal of 608961439 is 934169806.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 608961439 - 2²¹ = 606864287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608961433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534547 + ... + 535684.

It is an arithmetic number, because the mean of its divisors is an integer number (152508060).

Almost surely, 2^608961439 is an apocalyptic number.

608961439 is a deficient number, since it is larger than the sum of its proper divisors (1070801).

608961439 is a wasteful number, since it uses less digits than its factorization.

608961439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070800.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 608961439 is about 24677.1440608511. The cubic root of 608961439 is about 847.6110261984.

It can be divided in two parts, 6089 and 61439, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 608961439 in words is "six hundred eight million, nine hundred sixty-one thousand, four hundred thirty-nine".