354197986906 has 8 divisors (see below), whose sum is σ = 539226786240. Its totient is φ = 174455724828.

The previous prime is 354197986889. The next prime is 354197986913. The reversal of 354197986906 is 609689791453.

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

It is a super-3 number, since 3×354197986906³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321634146 + ... + 1321634413.

It is an arithmetic number, because the mean of its divisors is an integer number (67403348280).

Almost surely, 2^354197986906 is an apocalyptic number.

354197986906 is a deficient number, since it is larger than the sum of its proper divisors (185028799334).

354197986906 is a wasteful number, since it uses less digits than its factorization.

354197986906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643268628.

The product of its (nonzero) digits is 88179840, while the sum is 67.

The spelling of 354197986906 in words is "three hundred fifty-four billion, one hundred ninety-seven million, nine hundred eighty-six thousand, nine hundred six".