340590 has 16 divisors (see below), whose sum is σ = 817488. Its totient is φ = 90816.

The previous prime is 340583. The next prime is 340591. The reversal of 340590 is 95043.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340591) 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, 5647 + ... + 5706.

It is an arithmetic number, because the mean of its divisors is an integer number (51093).

2³⁴⁰⁵⁹⁰ is an apocalyptic number.

340590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

340590 is an abundant number, since it is smaller than the sum of its proper divisors (476898).

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

340590 is a wasteful number, since it uses less digits than its factorization.

340590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11363.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 340590 is about 583.6008910206. The cubic root of 340590 is about 69.8356689423.

The spelling of 340590 in words is "three hundred forty thousand, five hundred ninety".