247041400 has 96 divisors (see below), whose sum is σ = 601836480. Its totient is φ = 94208000.

The previous prime is 247041383. The next prime is 247041409. The reversal of 247041400 is 4140742.

247041400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247041400² = 122058906627920000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247041409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385080 + ... + 385720.

It is an arithmetic number, because the mean of its divisors is an integer number (6269130).

Almost surely, 2^247041400 is an apocalyptic number.

247041400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247041400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300918240).

247041400 is an abundant number, since it is smaller than the sum of its proper divisors (354795080).

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

247041400 is a wasteful number, since it uses less digits than its factorization.

247041400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 247041400 is about 15717.5506997751. The cubic root of 247041400 is about 627.4655886062.

The spelling of 247041400 in words is "two hundred forty-seven million, forty-one thousand, four hundred".