340286473 has 16 divisors (see below), whose sum is σ = 356977152. Its totient is φ = 324000000.

The previous prime is 340286431. The next prime is 340286483. The reversal of 340286473 is 374682043.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 340286473 - 2²¹ = 338189321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340286413) 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, 785665 + ... + 786097.

It is an arithmetic number, because the mean of its divisors is an integer number (22311072).

Almost surely, 2^340286473 is an apocalyptic number.

It is an amenable number.

340286473 is a deficient number, since it is larger than the sum of its proper divisors (16690679).

340286473 is a wasteful number, since it uses less digits than its factorization.

340286473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 340286473 is about 18446.8553688698. The cubic root of 340286473 is about 698.1491739252.

The spelling of 340286473 in words is "three hundred forty million, two hundred eighty-six thousand, four hundred seventy-three".