342691405 has 16 divisors (see below), whose sum is σ = 486184320. Its totient is φ = 226884672.

The previous prime is 342691357. The next prime is 342691409. The reversal of 342691405 is 504196243.

It is a happy number.

It is not a de Polignac number, because 342691405 - 2⁹ = 342690893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342691409) 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, 167799 + ... + 169828.

It is an arithmetic number, because the mean of its divisors is an integer number (30386520).

Almost surely, 2^342691405 is an apocalyptic number.

342691405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

342691405 is a deficient number, since it is larger than the sum of its proper divisors (143492915).

342691405 is a wasteful number, since it uses less digits than its factorization.

342691405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337668.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 342691405 is about 18511.9260208116. The cubic root of 342691405 is about 699.7900084399.

The spelling of 342691405 in words is "three hundred forty-two million, six hundred ninety-one thousand, four hundred five".