353404961 has 8 divisors (see below), whose sum is σ = 434960064. Its totient is φ = 279617040.

The previous prime is 353404951. The next prime is 353404963. The reversal of 353404961 is 169404353.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 353404961 - 2¹⁸ = 353142817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (353404963) 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, 1941695 + ... + 1941876.

It is an arithmetic number, because the mean of its divisors is an integer number (54370008).

Almost surely, 2^353404961 is an apocalyptic number.

It is an amenable number.

353404961 is a deficient number, since it is larger than the sum of its proper divisors (81555103).

353404961 is a wasteful number, since it uses less digits than its factorization.

353404961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883591.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 353404961 is about 18799.0680886048. The cubic root of 353404961 is about 707.0078142736.

The spelling of 353404961 in words is "three hundred fifty-three million, four hundred four thousand, nine hundred sixty-one".