340300824 has 64 divisors (see below), whose sum is σ = 890058240. Its totient is φ = 108218880.

The previous prime is 340300823. The next prime is 340300837. The reversal of 340300824 is 428003043.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 340300794 and 340300803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340300823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347824 + ... + 348800.

It is an arithmetic number, because the mean of its divisors is an integer number (13907160).

Almost surely, 2^340300824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340300824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445029120).

340300824 is an abundant number, since it is smaller than the sum of its proper divisors (549757416).

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

340300824 is a wasteful number, since it uses less digits than its factorization.

340300824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 340300824 is about 18447.2443470563. The cubic root of 340300824 is about 698.1589882030.

Adding to 340300824 its reverse (428003043), we get a palindrome (768303867).

The spelling of 340300824 in words is "three hundred forty million, three hundred thousand, eight hundred twenty-four".