340700428 has 12 divisors (see below), whose sum is σ = 601696480. Its totient is φ = 168787152.

The previous prime is 340700411. The next prime is 340700429. The reversal of 340700428 is 824007043.

It is a junction number, because it is equal to n+sod(n) for n = 340700396 and 340700405.

It is not an unprimeable number, because it can be changed into a prime (340700429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390276 + ... + 391147.

Almost surely, 2^340700428 is an apocalyptic number.

It is an amenable number.

340700428 is a deficient number, since it is larger than the sum of its proper divisors (260996052).

340700428 is a wasteful number, since it uses less digits than its factorization.

340700428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781536 (or 781534 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 340700428 is about 18458.0721636903. The cubic root of 340700428 is about 698.4321563081.

The spelling of 340700428 in words is "three hundred forty million, seven hundred thousand, four hundred twenty-eight".