354666377 has 4 divisors (see below), whose sum is σ = 381948420. Its totient is φ = 327384336.

The previous prime is 354666353. The next prime is 354666391. The reversal of 354666377 is 773666453.

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 118613881 + 236052496 = 10891^2 + 15364^2 .

It is a cyclic number.

It is not a de Polignac number, because 354666377 - 2¹² = 354662281 is a prime.

It is a super-2 number, since 2×354666377² = 251576477948612258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354666307) 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, 13641002 + ... + 13641027.

It is an arithmetic number, because the mean of its divisors is an integer number (95487105).

Almost surely, 2^354666377 is an apocalyptic number.

It is an amenable number.

354666377 is a deficient number, since it is larger than the sum of its proper divisors (27282043).

354666377 is a wasteful number, since it uses less digits than its factorization.

354666377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27282042.

The product of its digits is 1905120, while the sum is 47.

The square root of 354666377 is about 18832.5881651992. The cubic root of 354666377 is about 707.8479948871.

The spelling of 354666377 in words is "three hundred fifty-four million, six hundred sixty-six thousand, three hundred seventy-seven".