340988 has 6 divisors (see below), whose sum is σ = 596736. Its totient is φ = 170492.

The previous prime is 340979. The next prime is 340999. The reversal of 340988 is 889043.

It is a super-2 number, since 2×340988² = 232545632288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42620 + ... + 42627.

It is an arithmetic number, because the mean of its divisors is an integer number (99456).

2³⁴⁰⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

340988 is a deficient number, since it is larger than the sum of its proper divisors (255748).

340988 is a wasteful number, since it uses less digits than its factorization.

340988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85251 (or 85249 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 340988 is about 583.9417779197. The cubic root of 340988 is about 69.8628607533.

It can be divided in two parts, 3409 and 88, that multiplied together give a palindrome (299992).

The spelling of 340988 in words is "three hundred forty thousand, nine hundred eighty-eight".