354451620 has 96 divisors (see below), whose sum is σ = 1045239552. Its totient is φ = 89571328.

The previous prime is 354451619. The next prime is 354451633. The reversal of 354451620 is 26154453.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154804 + ... + 157076.

It is an arithmetic number, because the mean of its divisors is an integer number (10887912).

Almost surely, 2^354451620 is an apocalyptic number.

354451620 is a gapful number since it is divisible by the number (30) 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 354451620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522619776).

354451620 is an abundant number, since it is smaller than the sum of its proper divisors (690787932).

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

354451620 is a wasteful number, since it uses less digits than its factorization.

354451620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 354451620 is about 18826.8855629390. The cubic root of 354451620 is about 707.7050943899.

The spelling of 354451620 in words is "three hundred fifty-four million, four hundred fifty-one thousand, six hundred twenty".