340530904 has 16 divisors (see below), whose sum is σ = 729709200. Its totient is φ = 145941792.

The previous prime is 340530881. The next prime is 340530907. The reversal of 340530904 is 409035043.

It is a super-2 number, since 2×340530904² = 231922593158114432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340530907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3040399 + ... + 3040510.

It is an arithmetic number, because the mean of its divisors is an integer number (45606825).

Almost surely, 2^340530904 is an apocalyptic number.

It is an amenable number.

340530904 is an abundant number, since it is smaller than the sum of its proper divisors (389178296).

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

340530904 is a wasteful number, since it uses less digits than its factorization.

340530904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080922 (or 6080918 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 340530904 is about 18453.4794551055. The cubic root of 340530904 is about 698.3162963068.

Adding to 340530904 its reverse (409035043), we get a palindrome (749565947).

The spelling of 340530904 in words is "three hundred forty million, five hundred thirty thousand, nine hundred four".