340087506 has 16 divisors (see below), whose sum is σ = 742009248. Its totient is φ = 103056800.

The previous prime is 340087481. The next prime is 340087543. The reversal of 340087506 is 605780043.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2576355 + ... + 2576486.

It is an arithmetic number, because the mean of its divisors is an integer number (46375578).

Almost surely, 2^340087506 is an apocalyptic number.

340087506 is an abundant number, since it is smaller than the sum of its proper divisors (401921742).

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

340087506 is a wasteful number, since it uses less digits than its factorization.

340087506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152857.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 340087506 is about 18441.4616015109. The cubic root of 340087506 is about 698.0130770970.

It can be divided in two parts, 34008 and 7506, that added together give a palindrome (41514).

The spelling of 340087506 in words is "three hundred forty million, eighty-seven thousand, five hundred six".