345584738 has 16 divisors (see below), whose sum is σ = 550516824. Its totient is φ = 162140160.

The previous prime is 345584737. The next prime is 345584741. The reversal of 345584738 is 837485543.

It can be written as a sum of positive squares in 4 ways, for example, as 331349209 + 14235529 = 18203^2 + 3773^2 .

It is a super-2 number, since 2×345584738² = 238857622277057288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345584692 and 345584701.

It is not an unprimeable number, because it can be changed into a prime (345584737) 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, 3623 + ... + 26538.

Almost surely, 2^345584738 is an apocalyptic number.

345584738 is a deficient number, since it is larger than the sum of its proper divisors (204932086).

345584738 is a wasteful number, since it uses less digits than its factorization.

345584738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30517.

The product of its digits is 1612800, while the sum is 47.

The square root of 345584738 is about 18589.9095748204. The cubic root of 345584738 is about 701.7539268434.

The spelling of 345584738 in words is "three hundred forty-five million, five hundred eighty-four thousand, seven hundred thirty-eight".