348940490 has 8 divisors (see below), whose sum is σ = 628092900. Its totient is φ = 139576192.

The previous prime is 348940477. The next prime is 348940513. The reversal of 348940490 is 94049843.

It can be written as a sum of positive squares in 2 ways, for example, as 347710609 + 1229881 = 18647^2 + 1109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×348940490² = 243518931122880200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17447015 + ... + 17447034.

Almost surely, 2^348940490 is an apocalyptic number.

348940490 is a deficient number, since it is larger than the sum of its proper divisors (279152410).

348940490 is a wasteful number, since it uses less digits than its factorization.

348940490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34894056.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 348940490 is about 18679.9488757330. The cubic root of 348940490 is about 704.0180417316.

The spelling of 348940490 in words is "three hundred forty-eight million, nine hundred forty thousand, four hundred ninety".