612379438 has 8 divisors (see below), whose sum is σ = 1002075480. Its totient is φ = 278354280.

The previous prime is 612379433. The next prime is 612379477. The reversal of 612379438 is 834973216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 612379394 and 612379403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612379433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13917693 + ... + 13917736.

It is an arithmetic number, because the mean of its divisors is an integer number (125259435).

Almost surely, 2^612379438 is an apocalyptic number.

612379438 is a deficient number, since it is larger than the sum of its proper divisors (389696042).

612379438 is a wasteful number, since it uses less digits than its factorization.

612379438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27835442.

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

The square root of 612379438 is about 24746.3015014365. The cubic root of 612379438 is about 849.1939015212.

The spelling of 612379438 in words is "six hundred twelve million, three hundred seventy-nine thousand, four hundred thirty-eight".