308890036 has 24 divisors (see below), whose sum is σ = 665302400. Its totient is φ = 122198112.

The previous prime is 308890013. The next prime is 308890039. The reversal of 308890036 is 630098803.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 308889977 and 308890004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308890039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423936 + ... + 424663.

Almost surely, 2^308890036 is an apocalyptic number.

It is an amenable number.

308890036 is an abundant number, since it is smaller than the sum of its proper divisors (356412364).

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

308890036 is a wasteful number, since it uses less digits than its factorization.

308890036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848623 (or 848621 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 308890036 is about 17575.2677362252. The cubic root of 308890036 is about 675.9812238754.

The spelling of 308890036 in words is "three hundred eight million, eight hundred ninety thousand, thirty-six".