354085128 has 64 divisors (see below), whose sum is σ = 1017504000. Its totient is φ = 113956416.

The previous prime is 354085111. The next prime is 354085139. The reversal of 354085128 is 821580453.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 354085092 and 354085101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22000 + ... + 34527.

It is an arithmetic number, because the mean of its divisors is an integer number (15898500).

Almost surely, 2^354085128 is an apocalyptic number.

It is an amenable number.

354085128 is an abundant number, since it is smaller than the sum of its proper divisors (663418872).

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

354085128 is a wasteful number, since it uses less digits than its factorization.

354085128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56571 (or 56561 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 354085128 is about 18817.1498373160. The cubic root of 354085128 is about 707.4610952232.

The spelling of 354085128 in words is "three hundred fifty-four million, eighty-five thousand, one hundred twenty-eight".