340087361 has 4 divisors (see below), whose sum is σ = 354873792. Its totient is φ = 325300932.

The previous prime is 340087351. The next prime is 340087369. The reversal of 340087361 is 163780043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163780043 = 7 ⋅23397149.

It is a cyclic number.

It is not a de Polignac number, because 340087361 - 2¹⁸ = 339825217 is a prime.

It is a super-2 number, since 2×340087361² = 231318826223888642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340087369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7393181 + ... + 7393226.

It is an arithmetic number, because the mean of its divisors is an integer number (88718448).

Almost surely, 2^340087361 is an apocalyptic number.

It is an amenable number.

340087361 is a deficient number, since it is larger than the sum of its proper divisors (14786431).

340087361 is a wasteful number, since it uses less digits than its factorization.

340087361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14786430.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 340087361 is about 18441.4576701518. The cubic root of 340087361 is about 698.0129778952.

The spelling of 340087361 in words is "three hundred forty million, eighty-seven thousand, three hundred sixty-one".