305423974 has 16 divisors (see below), whose sum is σ = 495284400. Its totient is φ = 140763744.

The previous prime is 305423953. The next prime is 305424013. The reversal of 305423974 is 479324503.

It is a super-3 number, since 3×305423974³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

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, 107209 + ... + 110020.

It is an arithmetic number, because the mean of its divisors is an integer number (30955275).

Almost surely, 2^305423974 is an apocalyptic number.

305423974 is a deficient number, since it is larger than the sum of its proper divisors (189860426).

305423974 is a wasteful number, since it uses less digits than its factorization.

305423974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217287.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 305423974 is about 17476.3833214999. The cubic root of 305423974 is about 673.4433072559.

It can be divided in two parts, 3054 and 23974, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 305423974 in words is "three hundred five million, four hundred twenty-three thousand, nine hundred seventy-four".