345673438 has 32 divisors (see below), whose sum is σ = 581188608. Its totient is φ = 152848800.

The previous prime is 345673421. The next prime is 345673453. The reversal of 345673438 is 834376543.

It is a junction number, because it is equal to n+sod(n) for n = 345673394 and 345673403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186231 + ... + 188077.

It is an arithmetic number, because the mean of its divisors is an integer number (18162144).

Almost surely, 2^345673438 is an apocalyptic number.

345673438 is a deficient number, since it is larger than the sum of its proper divisors (235515170).

345673438 is a wasteful number, since it uses less digits than its factorization.

345673438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088.

The product of its digits is 725760, while the sum is 43.

The square root of 345673438 is about 18592.2951245940. The cubic root of 345673438 is about 701.8139605985.

The spelling of 345673438 in words is "three hundred forty-five million, six hundred seventy-three thousand, four hundred thirty-eight".