354772128 has 48 divisors (see below), whose sum is σ = 936895680. Its totient is φ = 117543936.

The previous prime is 354772073. The next prime is 354772141. The reversal of 354772128 is 821277453.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4968 + ... + 27096.

It is an arithmetic number, because the mean of its divisors is an integer number (19518660).

Almost surely, 2^354772128 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 354772128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468447840).

354772128 is an abundant number, since it is smaller than the sum of its proper divisors (582123552).

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

354772128 is a wasteful number, since it uses less digits than its factorization.

354772128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22309 (or 22301 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 354772128 is about 18835.3956157018. The cubic root of 354772128 is about 707.9183409922.

The spelling of 354772128 in words is "three hundred fifty-four million, seven hundred seventy-two thousand, one hundred twenty-eight".