247434264 has 448 divisors, whose sum is σ = 944352000. Its totient is φ = 58786560.

The previous prime is 247434247. The next prime is 247434287. The reversal of 247434264 is 462434742.

It is a super-2 number, since 2×247434264² = 122447430002443392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 8532202 + ... + 8532230.

Almost surely, 2^247434264 is an apocalyptic number.

247434264 is a gapful number since it is divisible by the number (24) 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 247434264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472176000).

247434264 is an abundant number, since it is smaller than the sum of its proper divisors (696917736).

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

247434264 is a wasteful number, since it uses less digits than its factorization.

247434264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 71 counting only the distinct ones).

The product of its digits is 129024, while the sum is 36.

The square root of 247434264 is about 15730.0433565836. The cubic root of 247434264 is about 627.7980269264.

The spelling of 247434264 in words is "two hundred forty-seven million, four hundred thirty-four thousand, two hundred sixty-four".