348891900 has 144 divisors (see below), whose sum is σ = 1165592064. Its totient is φ = 78923520.

The previous prime is 348891871. The next prime is 348891923. The reversal of 348891900 is 9198843.

It is a super-2 number, since 2×348891900² = 243451115771220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215494 + ... + 217106.

Almost surely, 2^348891900 is an apocalyptic number.

348891900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348891900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582796032).

348891900 is an abundant number, since it is smaller than the sum of its proper divisors (816700164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

348891900 is a wasteful number, since it uses less digits than its factorization.

348891900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 348891900 is about 18678.6482380284. The cubic root of 348891900 is about 703.9853620192.

The spelling of 348891900 in words is "three hundred forty-eight million, eight hundred ninety-one thousand, nine hundred".