345740906 has 16 divisors (see below), whose sum is σ = 593049600. Its totient is φ = 148086960.

The previous prime is 345740903. The next prime is 345740939. The reversal of 345740906 is 609047543.

It is a self number, because there is not a number n which added to its sum of digits gives 345740906.

It is not an unprimeable number, because it can be changed into a prime (345740903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20951 + ... + 33621.

It is an arithmetic number, because the mean of its divisors is an integer number (37065600).

Almost surely, 2^345740906 is an apocalyptic number.

345740906 is a deficient number, since it is larger than the sum of its proper divisors (247308694).

345740906 is a wasteful number, since it uses less digits than its factorization.

345740906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14629.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 345740906 is about 18594.1094435845. The cubic root of 345740906 is about 701.8596172780.

The spelling of 345740906 in words is "three hundred forty-five million, seven hundred forty thousand, nine hundred six".