247364 has 24 divisors (see below), whose sum is σ = 479808. Its totient is φ = 110880.

The previous prime is 247363. The next prime is 247369. The reversal of 247364 is 463742.

It is a happy number.

It is a super-2 number, since 2×247364² = 122377896992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a d-powerful number, because it can be written as 2¹¹ + 4² + 3¹¹ + 7⁴ + 6³ + 4⁸ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247364.

It is not an unprimeable number, because it can be changed into a prime (247363) 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, 3449 + ... + 3519.

It is an arithmetic number, because the mean of its divisors is an integer number (19992).

2²⁴⁷³⁶⁴ is an apocalyptic number.

It is an amenable number.

247364 is a deficient number, since it is larger than the sum of its proper divisors (232444).

247364 is a wasteful number, since it uses less digits than its factorization.

247364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 153 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 247364 is about 497.3570146283. The cubic root of 247364 is about 62.7738595954.

The spelling of 247364 in words is "two hundred forty-seven thousand, three hundred sixty-four".