345766406 has 32 divisors (see below), whose sum is σ = 558931968. Its totient is φ = 159999840.

The previous prime is 345766403. The next prime is 345766409. The reversal of 345766406 is 604667543.

It is an interprime number because it is at equal distance from previous prime (345766403) and next prime (345766409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345766403) 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, 379091 + ... + 380001.

It is an arithmetic number, because the mean of its divisors is an integer number (17466624).

Almost surely, 2^345766406 is an apocalyptic number.

345766406 is a deficient number, since it is larger than the sum of its proper divisors (213165562).

345766406 is a wasteful number, since it uses less digits than its factorization.

345766406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 345766406 is about 18594.7951319717. The cubic root of 345766406 is about 701.8768719909.

The spelling of 345766406 in words is "three hundred forty-five million, seven hundred sixty-six thousand, four hundred six".