348475428 has 144 divisors (see below), whose sum is σ = 1075285120. Its totient is φ = 92938752.

The previous prime is 348475411. The next prime is 348475459. The reversal of 348475428 is 824574843.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 349026 + ... + 350022.

Almost surely, 2^348475428 is an apocalyptic number.

348475428 is a gapful number since it is divisible by the number (38) 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 348475428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537642560).

348475428 is an abundant number, since it is smaller than the sum of its proper divisors (726809692).

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

348475428 is a wasteful number, since it uses less digits than its factorization.

348475428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1101 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 348475428 is about 18667.4965648852. The cubic root of 348475428 is about 703.7051348873.

The spelling of 348475428 in words is "three hundred forty-eight million, four hundred seventy-five thousand, four hundred twenty-eight".