612938349 has 12 divisors (see below), whose sum is σ = 937435356. Its totient is φ = 384588672.

The previous prime is 612938341. The next prime is 612938351. The reversal of 612938349 is 943839216.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 180714249 + 432224100 = 13443^2 + 20790^2 .

It is not a de Polignac number, because 612938349 - 2³ = 612938341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612938341) 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 11 ways as a sum of consecutive naturals, for example, 2002914 + ... + 2003219.

It is an arithmetic number, because the mean of its divisors is an integer number (78119613).

Almost surely, 2^612938349 is an apocalyptic number.

It is an amenable number.

612938349 is a deficient number, since it is larger than the sum of its proper divisors (324497007).

612938349 is a wasteful number, since it uses less digits than its factorization.

612938349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006156 (or 4006153 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 612938349 is about 24757.5917447558. The cubic root of 612938349 is about 849.4521724896.

It can be divided in two parts, 612 and 938349, that added together give a square (938961 = 969²).

The spelling of 612938349 in words is "six hundred twelve million, nine hundred thirty-eight thousand, three hundred forty-nine".