354105690 has 16 divisors (see below), whose sum is σ = 849853728. Its totient is φ = 94428176.

The previous prime is 354105683. The next prime is 354105691. The reversal of 354105690 is 96501453.

It is a happy number.

It is a super-2 number, since 2×354105690² = 250781679380752200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (354105691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5901732 + ... + 5901791.

It is an arithmetic number, because the mean of its divisors is an integer number (53115858).

Almost surely, 2^354105690 is an apocalyptic number.

354105690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

354105690 is an abundant number, since it is smaller than the sum of its proper divisors (495748038).

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

354105690 is a wasteful number, since it uses less digits than its factorization.

354105690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11803533.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 354105690 is about 18817.6961926799. The cubic root of 354105690 is about 707.4747892310.

The spelling of 354105690 in words is "three hundred fifty-four million, one hundred five thousand, six hundred ninety".