308629434 has 32 divisors (see below), whose sum is σ = 622457856. Its totient is φ = 102014640.

The previous prime is 308629429. The next prime is 308629457. The reversal of 308629434 is 434926803.

It is a junction number, because it is equal to n+sod(n) for n = 308629392 and 308629401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563949 + ... + 564495.

It is an arithmetic number, because the mean of its divisors is an integer number (19451808).

Almost surely, 2^308629434 is an apocalyptic number.

308629434 is an abundant number, since it is smaller than the sum of its proper divisors (313828422).

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

308629434 is a wasteful number, since it uses less digits than its factorization.

308629434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 308629434 is about 17567.8522876304. The cubic root of 308629434 is about 675.7910681537.

The spelling of 308629434 in words is "three hundred eight million, six hundred twenty-nine thousand, four hundred thirty-four".