351648338 has 4 divisors (see below), whose sum is σ = 527472510. Its totient is φ = 175824168.

The previous prime is 351648337. The next prime is 351648343. The reversal of 351648338 is 833846153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 262666849 + 88981489 = 16207^2 + 9433^2 .

It is a junction number, because it is equal to n+sod(n) for n = 351648295 and 351648304.

It is not an unprimeable number, because it can be changed into a prime (351648337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87912083 + ... + 87912086.

Almost surely, 2^351648338 is an apocalyptic number.

351648338 is a deficient number, since it is larger than the sum of its proper divisors (175824172).

351648338 is a wasteful number, since it uses less digits than its factorization.

351648338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175824171.

The product of its digits is 207360, while the sum is 41.

The square root of 351648338 is about 18752.2888736282. The cubic root of 351648338 is about 705.8344581602.

The spelling of 351648338 in words is "three hundred fifty-one million, six hundred forty-eight thousand, three hundred thirty-eight".