340412377 has 2 divisors, whose sum is σ = 340412378. Its totient is φ = 340412376.

The previous prime is 340412363. The next prime is 340412383. The reversal of 340412377 is 773214043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329095881 + 11316496 = 18141^2 + 3364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340412377 is a prime.

It is not a weakly prime, because it can be changed into another prime (340412077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170206188 + 170206189.

It is an arithmetic number, because the mean of its divisors is an integer number (170206189).

Almost surely, 2^340412377 is an apocalyptic number.

It is an amenable number.

340412377 is a deficient number, since it is larger than the sum of its proper divisors (1).

340412377 is an equidigital number, since it uses as much as digits as its factorization.

340412377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 340412377 is about 18450.2676674351. The cubic root of 340412377 is about 698.2352670085.

The spelling of 340412377 in words is "three hundred forty million, four hundred twelve thousand, three hundred seventy-seven".