612894337 has 4 divisors (see below), whose sum is σ = 668612016. Its totient is φ = 557176660.

The previous prime is 612894311. The next prime is 612894431. The reversal of 612894337 is 733498216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612894337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612894293 and 612894302.

It is not an unprimeable number, because it can be changed into a prime (612894137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27858823 + ... + 27858844.

It is an arithmetic number, because the mean of its divisors is an integer number (167153004).

Almost surely, 2^612894337 is an apocalyptic number.

It is an amenable number.

612894337 is a deficient number, since it is larger than the sum of its proper divisors (55717679).

612894337 is a wasteful number, since it uses less digits than its factorization.

612894337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55717678.

The product of its digits is 217728, while the sum is 43.

The square root of 612894337 is about 24756.7028701320. The cubic root of 612894337 is about 849.4318403828.

The spelling of 612894337 in words is "six hundred twelve million, eight hundred ninety-four thousand, three hundred thirty-seven".