354806988 has 96 divisors (see below), whose sum is σ = 898275840. Its totient is φ = 108656640.

The previous prime is 354806981. The next prime is 354806999. The reversal of 354806988 is 889608453.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 354806988.

It is not an unprimeable number, because it can be changed into a prime (354806981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1348945 + ... + 1349207.

It is an arithmetic number, because the mean of its divisors is an integer number (9357040).

Almost surely, 2^354806988 is an apocalyptic number.

354806988 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 354806988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449137920).

354806988 is an abundant number, since it is smaller than the sum of its proper divisors (543468852).

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

354806988 is a wasteful number, since it uses less digits than its factorization.

354806988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 354806988 is about 18836.3209783652. The cubic root of 354806988 is about 707.9415269785.

The spelling of 354806988 in words is "three hundred fifty-four million, eight hundred six thousand, nine hundred eighty-eight".