354206641 has 4 divisors (see below), whose sum is σ = 354313252. Its totient is φ = 354100032.

The previous prime is 354206639. The next prime is 354206653. The reversal of 354206641 is 146602453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131331600 + 222875041 = 11460^2 + 14929^2 .

It is a cyclic number.

It is not a de Polignac number, because 354206641 - 2¹ = 354206639 is a prime.

It is a super-3 number, since 3×354206641³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354206621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48156 + ... + 55021.

It is an arithmetic number, because the mean of its divisors is an integer number (88578313).

Almost surely, 2^354206641 is an apocalyptic number.

It is an amenable number.

354206641 is a deficient number, since it is larger than the sum of its proper divisors (106611).

354206641 is a wasteful number, since it uses less digits than its factorization.

354206641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106610.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 354206641 is about 18820.3783436997. The cubic root of 354206641 is about 707.5420135123.

The spelling of 354206641 in words is "three hundred fifty-four million, two hundred six thousand, six hundred forty-one".