340298836 has 6 divisors (see below), whose sum is σ = 595522970. Its totient is φ = 170149416.

The previous prime is 340298807. The next prime is 340298837. The reversal of 340298836 is 638892043.

It can be written as a sum of positive squares in only one way, i.e., 299082436 + 41216400 = 17294^2 + 6420^2 .

It is a junction number, because it is equal to n+sod(n) for n = 340298792 and 340298801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340298837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42537351 + ... + 42537358.

Almost surely, 2^340298836 is an apocalyptic number.

It is an amenable number.

340298836 is a deficient number, since it is larger than the sum of its proper divisors (255224134).

340298836 is a wasteful number, since it uses less digits than its factorization.

340298836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85074713 (or 85074711 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 340298836 is about 18447.1904635909. The cubic root of 340298836 is about 698.1576286777.

The spelling of 340298836 in words is "three hundred forty million, two hundred ninety-eight thousand, eight hundred thirty-six".