305097490 has 16 divisors (see below), whose sum is σ = 549374400. Its totient is φ = 121994800.

The previous prime is 305097473. The next prime is 305097503. The reversal of 305097490 is 94790503.

It is a super-3 number, since 3×305097490³ (a number of 26 digits) contains 333 as substring.

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, 51165 + ... + 56815.

It is an arithmetic number, because the mean of its divisors is an integer number (34335900).

Almost surely, 2^305097490 is an apocalyptic number.

305097490 is a deficient number, since it is larger than the sum of its proper divisors (244276910).

305097490 is a wasteful number, since it uses less digits than its factorization.

305097490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11057.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 305097490 is about 17467.0401041504. The cubic root of 305097490 is about 673.2032618621.

The spelling of 305097490 in words is "three hundred five million, ninety-seven thousand, four hundred ninety".