247349604 has 12 divisors (see below), whose sum is σ = 577149104. Its totient is φ = 82449864.

The previous prime is 247349591. The next prime is 247349617. The reversal of 247349604 is 406943742.

247349604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (247349591) and next prime (247349617).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×247349604² = 122363653197913632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10306222 + ... + 10306245.

Almost surely, 2^247349604 is an apocalyptic number.

It is an amenable number.

247349604 is an abundant number, since it is smaller than the sum of its proper divisors (329799500).

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

247349604 is a wasteful number, since it uses less digits than its factorization.

247349604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20612474 (or 20612472 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 247349604 is about 15727.3520975401. The cubic root of 247349604 is about 627.7264180837.

The spelling of 247349604 in words is "two hundred forty-seven million, three hundred forty-nine thousand, six hundred four".