346491 has 16 divisors (see below), whose sum is σ = 527520. Its totient is φ = 224640.

The previous prime is 346469. The next prime is 346501. The reversal of 346491 is 194643.

It is not a de Polignac number, because 346491 - 2⁹ = 345979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

346491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (346421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951 + ... + 1263.

It is an arithmetic number, because the mean of its divisors is an integer number (32970).

2³⁴⁶⁴⁹¹ is an apocalyptic number.

346491 is a deficient number, since it is larger than the sum of its proper divisors (181029).

346491 is a wasteful number, since it uses less digits than its factorization.

346491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 357 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 346491 is about 588.6348613529. The cubic root of 346491 is about 70.2366818300.

The spelling of 346491 in words is "three hundred forty-six thousand, four hundred ninety-one".