307449284 has 12 divisors (see below), whose sum is σ = 569685564. Its totient is φ = 144681984.

The previous prime is 307449281. The next prime is 307449371. The reversal of 307449284 is 482944703.

It can be written as a sum of positive squares in 2 ways, for example, as 258309184 + 49140100 = 16072^2 + 7010^2 .

It is a super-2 number, since 2×307449284² = 189050124464225312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (307449281) 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 3 ways as a sum of consecutive naturals, for example, 2260589 + ... + 2260724.

It is an arithmetic number, because the mean of its divisors is an integer number (47473797).

Almost surely, 2^307449284 is an apocalyptic number.

307449284 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

307449284 is a deficient number, since it is larger than the sum of its proper divisors (262236280).

307449284 is a wasteful number, since it uses less digits than its factorization.

307449284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521334 (or 4521332 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 307449284 is about 17534.2317767275. The cubic root of 307449284 is about 674.9285952817.

The spelling of 307449284 in words is "three hundred seven million, four hundred forty-nine thousand, two hundred eighty-four".