774139338 has 48 divisors (see below), whose sum is σ = 1956052800. Its totient is φ = 221180904.

The previous prime is 774139337. The next prime is 774139339. The reversal of 774139338 is 833931477.

774139338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (774139337) and next prime (774139339).

It is a junction number, because it is equal to n+sod(n) for n = 774139293 and 774139302.

It is not an unprimeable number, because it can be changed into a prime (774139337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56520 + ... + 68867.

It is an arithmetic number, because the mean of its divisors is an integer number (40751100).

Almost surely, 2^774139338 is an apocalyptic number.

774139338 is an abundant number, since it is smaller than the sum of its proper divisors (1181913462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

774139338 is a wasteful number, since it uses less digits than its factorization.

774139338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125416 (or 125399 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 774139338 is about 27823.3595742858. The cubic root of 774139338 is about 918.2051245381.

It can be divided in two parts, 774139 and 338, that added together give a palindrome (774477).

The spelling of 774139338 in words is "seven hundred seventy-four million, one hundred thirty-nine thousand, three hundred thirty-eight".