305485970 has 16 divisors (see below), whose sum is σ = 551648448. Its totient is φ = 121800240.

The previous prime is 305485951. The next prime is 305485981. The reversal of 305485970 is 79584503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46004 + ... + 52223.

It is an arithmetic number, because the mean of its divisors is an integer number (34478028).

Almost surely, 2^305485970 is an apocalyptic number.

305485970 is a deficient number, since it is larger than the sum of its proper divisors (246162478).

305485970 is a wasteful number, since it uses less digits than its factorization.

305485970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98545.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 305485970 is about 17478.1569394487. The cubic root of 305485970 is about 673.4888701131.

The spelling of 305485970 in words is "three hundred five million, four hundred eighty-five thousand, nine hundred seventy".