354198646 has 16 divisors (see below), whose sum is σ = 559661760. Its totient is φ = 167658120.

The previous prime is 354198601. The next prime is 354198659. The reversal of 354198646 is 646891453.

It is a super-3 number, since 3×354198646³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354198596 and 354198605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73161 + ... + 77851.

It is an arithmetic number, because the mean of its divisors is an integer number (34978860).

Almost surely, 2^354198646 is an apocalyptic number.

354198646 is a deficient number, since it is larger than the sum of its proper divisors (205463114).

354198646 is a wasteful number, since it uses less digits than its factorization.

354198646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699.

The product of its digits is 622080, while the sum is 46.

The square root of 354198646 is about 18820.1659397573. The cubic root of 354198646 is about 707.5366900275.

The spelling of 354198646 in words is "three hundred fifty-four million, one hundred ninety-eight thousand, six hundred forty-six".