247393000 has 32 divisors (see below), whose sum is σ = 578901960. Its totient is φ = 98956800.

The previous prime is 247392979. The next prime is 247393001. The reversal of 247393000 is 393742.

It can be written as a sum of positive squares in 4 ways, for example, as 131744484 + 115648516 = 11478^2 + 10754^2 .

It is a super-2 number, since 2×247393000² = 122406592898000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247393000.

It is not an unprimeable number, because it can be changed into a prime (247393001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122697 + ... + 124696.

Almost surely, 2^247393000 is an apocalyptic number.

247393000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247393000 is an abundant number, since it is smaller than the sum of its proper divisors (331508960).

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

247393000 is a wasteful number, since it uses less digits than its factorization.

247393000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247414 (or 247400 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 247393000 is about 15728.7316716892. The cubic root of 247393000 is about 627.7631262117.

The spelling of 247393000 in words is "two hundred forty-seven million, three hundred ninety-three thousand".