340528861 has 8 divisors (see below), whose sum is σ = 342054720. Its totient is φ = 339007392.

The previous prime is 340528841. The next prime is 340528919. The reversal of 340528861 is 168825043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340528861 - 2¹³ = 340520669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340528861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340528841) 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, 319816 + ... + 320878.

It is an arithmetic number, because the mean of its divisors is an integer number (42756840).

Almost surely, 2^340528861 is an apocalyptic number.

It is an amenable number.

340528861 is a deficient number, since it is larger than the sum of its proper divisors (1525859).

340528861 is a wasteful number, since it uses less digits than its factorization.

340528861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 340528861 is about 18453.4240996082. The cubic root of 340528861 is about 698.3148997982.

The spelling of 340528861 in words is "three hundred forty million, five hundred twenty-eight thousand, eight hundred sixty-one".