354381816 has 64 divisors (see below), whose sum is σ = 898560000. Its totient is φ = 116460288.

The previous prime is 354381809. The next prime is 354381821. The reversal of 354381816 is 618183453.

It is a super-2 number, since 2×354381816² = 251172943022915712, which contains 22 as substring.

Its product of digits (69120) is a multiple of the sum of its prime divisors (864).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709935 + ... + 710433.

It is an arithmetic number, because the mean of its divisors is an integer number (14040000).

Almost surely, 2^354381816 is an apocalyptic number.

It is an amenable number.

354381816 is an abundant number, since it is smaller than the sum of its proper divisors (544178184).

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

354381816 is a wasteful number, since it uses less digits than its factorization.

354381816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 864 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 354381816 is about 18825.0316334396. The cubic root of 354381816 is about 707.6586339922.

The spelling of 354381816 in words is "three hundred fifty-four million, three hundred eighty-one thousand, eight hundred sixteen".