309413196 has 30 divisors (see below), whose sum is σ = 808868060. Its totient is φ = 103137624.

The previous prime is 309413189. The next prime is 309413207. The reversal of 309413196 is 691314903.

It is a super-3 number, since 3×309413196³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 309413196.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 477166 + ... + 477813.

Almost surely, 2^309413196 is an apocalyptic number.

309413196 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

309413196 is an abundant number, since it is smaller than the sum of its proper divisors (499454864).

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

309413196 is a wasteful number, since it uses less digits than its factorization.

309413196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954995 (or 954984 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 309413196 is about 17590.1448544348. The cubic root of 309413196 is about 676.3626399451.

It can be divided in two parts, 3094 and 13196, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 309413196 in words is "three hundred nine million, four hundred thirteen thousand, one hundred ninety-six".