340377213 has 16 divisors (see below), whose sum is σ = 524218176. Its totient is φ = 194154240.

The previous prime is 340377209. The next prime is 340377217. The reversal of 340377213 is 312773043.

It is an interprime number because it is at equal distance from previous prime (340377209) and next prime (340377217).

It is not a de Polignac number, because 340377213 - 2² = 340377209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340377217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302806 + ... + 303927.

It is an arithmetic number, because the mean of its divisors is an integer number (32763636).

Almost surely, 2^340377213 is an apocalyptic number.

340377213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

340377213 is a deficient number, since it is larger than the sum of its proper divisors (183840963).

340377213 is a wasteful number, since it uses less digits than its factorization.

340377213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606764.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 340377213 is about 18449.3147027200. The cubic root of 340377213 is about 698.2112240222.

The spelling of 340377213 in words is "three hundred forty million, three hundred seventy-seven thousand, two hundred thirteen".