348445400 has 96 divisors (see below), whose sum is σ = 851731200. Its totient is φ = 132316800.

The previous prime is 348445397. The next prime is 348445403. The reversal of 348445400 is 4544843.

It is an interprime number because it is at equal distance from previous prime (348445397) and next prime (348445403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348445403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 970421 + ... + 970779.

It is an arithmetic number, because the mean of its divisors is an integer number (8872200).

Almost surely, 2^348445400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348445400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425865600).

348445400 is an abundant number, since it is smaller than the sum of its proper divisors (503285800).

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

348445400 is a wasteful number, since it uses less digits than its factorization.

348445400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 348445400 is about 18666.6922618872. The cubic root of 348445400 is about 703.6849216354.

It can be divided in two parts, 3484 and 45400, that added together give a palindrome (48884).

The spelling of 348445400 in words is "three hundred forty-eight million, four hundred forty-five thousand, four hundred".