354975394 has 4 divisors (see below), whose sum is σ = 532463094. Its totient is φ = 177487696.

The previous prime is 354975391. The next prime is 354975403. The reversal of 354975394 is 493579453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 493579453 = 821 ⋅601193.

It can be written as a sum of positive squares in only one way, i.e., 329604025 + 25371369 = 18155^2 + 5037^2 .

It is not an unprimeable number, because it can be changed into a prime (354975391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88743847 + ... + 88743850.

Almost surely, 2^354975394 is an apocalyptic number.

354975394 is a deficient number, since it is larger than the sum of its proper divisors (177487700).

354975394 is a wasteful number, since it uses less digits than its factorization.

354975394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177487699.

The product of its digits is 2041200, while the sum is 49.

The square root of 354975394 is about 18840.7906946603. The cubic root of 354975394 is about 708.0535153246.

The spelling of 354975394 in words is "three hundred fifty-four million, nine hundred seventy-five thousand, three hundred ninety-four".