999999354 has 32 divisors (see below), whose sum is σ = 2061354240. Its totient is φ = 323237952.

The previous prime is 999999353. The next prime is 999999391. The reversal of 999999354 is 453999999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (999999353) by changing a digit.

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, 14472 + ... + 47004.

It is an arithmetic number, because the mean of its divisors is an integer number (64417320).

Almost surely, 2^999999354 is an apocalyptic number.

999999354 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

999999354 is an abundant number, since it is smaller than the sum of its proper divisors (1061354886).

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

999999354 is a wasteful number, since it uses less digits than its factorization.

999999354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32694.

The product of its digits is 31886460, while the sum is 66.

The square root of 999999354 is about 31622.7663875253. The cubic root of 999999354 is about 999.9997846666. Note that the first 3 decimals are identical.

The spelling of 999999354 in words is "nine hundred ninety-nine million, nine hundred ninety-nine thousand, three hundred fifty-four".