354444427 has 4 divisors (see below), whose sum is σ = 357235456. Its totient is φ = 351653400.

The previous prime is 354444401. The next prime is 354444439. The reversal of 354444427 is 724444453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724444453 = 71 ⋅10203443.

It is a cyclic number.

It is not a de Polignac number, because 354444427 - 2¹⁹ = 353920139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354447427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395324 + ... + 1395577.

It is an arithmetic number, because the mean of its divisors is an integer number (89308864).

Almost surely, 2^354444427 is an apocalyptic number.

354444427 is a deficient number, since it is larger than the sum of its proper divisors (2791029).

354444427 is a wasteful number, since it uses less digits than its factorization.

354444427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791028.

The product of its digits is 215040, while the sum is 37.

The square root of 354444427 is about 18826.6945319671. The cubic root of 354444427 is about 707.7003071290.

The spelling of 354444427 in words is "three hundred fifty-four million, four hundred forty-four thousand, four hundred twenty-seven".