340062321 has 16 divisors (see below), whose sum is σ = 457049088. Its totient is φ = 224899200.

The previous prime is 340062269. The next prime is 340062347. The reversal of 340062321 is 123260043.

It is a happy number.

It is not a de Polignac number, because 340062321 - 2⁹ = 340061809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340062421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309445 + ... + 310541.

It is an arithmetic number, because the mean of its divisors is an integer number (28565568).

Almost surely, 2^340062321 is an apocalyptic number.

It is an amenable number.

340062321 is a deficient number, since it is larger than the sum of its proper divisors (116986767).

340062321 is a wasteful number, since it uses less digits than its factorization.

340062321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 340062321 is about 18440.7787525365. The cubic root of 340062321 is about 697.9958463422.

The spelling of 340062321 in words is "three hundred forty million, sixty-two thousand, three hundred twenty-one".