345476 has 6 divisors (see below), whose sum is σ = 604590. Its totient is φ = 172736.

The previous prime is 345473. The next prime is 345479. The reversal of 345476 is 674543.

It is an interprime number because it is at equal distance from previous prime (345473) and next prime (345479).

It can be written as a sum of positive squares in only one way, i.e., 270400 + 75076 = 520^2 + 274^2 .

It is an alternating number because its digits alternate between odd and even.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345476.

It is not an unprimeable number, because it can be changed into a prime (345473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43181 + ... + 43188.

It is an arithmetic number, because the mean of its divisors is an integer number (100765).

345476 is a Friedman number, since it can be written as 6^7+4+4^(5+3), using all its digits and the basic arithmetic operations.

2³⁴⁵⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

345476 is a deficient number, since it is larger than the sum of its proper divisors (259114).

345476 is a wasteful number, since it uses less digits than its factorization.

345476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86373 (or 86371 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 345476 is about 587.7720646645. The cubic root of 345476 is about 70.1680316992.

The spelling of 345476 in words is "three hundred forty-five thousand, four hundred seventy-six".