308233641 has 16 divisors (see below), whose sum is σ = 418993920. Its totient is φ = 201498960.

The previous prime is 308233621. The next prime is 308233669. The reversal of 308233641 is 146332803.

It is not a de Polignac number, because 308233641 - 2⁵ = 308233609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 308233599 and 308233608.

It is not an unprimeable number, because it can be changed into a prime (308233621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76446 + ... + 80376.

It is an arithmetic number, because the mean of its divisors is an integer number (26187120).

Almost surely, 2^308233641 is an apocalyptic number.

It is an amenable number.

308233641 is a deficient number, since it is larger than the sum of its proper divisors (110760279).

308233641 is a wasteful number, since it uses less digits than its factorization.

308233641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 308233641 is about 17556.5839786674. The cubic root of 308233641 is about 675.5020615931.

The spelling of 308233641 in words is "three hundred eight million, two hundred thirty-three thousand, six hundred forty-one".