354493877 has 4 divisors (see below), whose sum is σ = 375346476. Its totient is φ = 333641280.

The previous prime is 354493873. The next prime is 354493879. The reversal of 354493877 is 778394453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 778394453 = 17 ⋅45787909.

It can be written as a sum of positive squares in 2 ways, for example, as 331203601 + 23290276 = 18199^2 + 4826^2 .

It is a cyclic number.

It is not a de Polignac number, because 354493877 - 2² = 354493873 is a prime.

It is a super-2 number, since 2×354493877² = 251331817660982258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354493873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10426274 + ... + 10426307.

It is an arithmetic number, because the mean of its divisors is an integer number (93836619).

Almost surely, 2^354493877 is an apocalyptic number.

It is an amenable number.

354493877 is a deficient number, since it is larger than the sum of its proper divisors (20852599).

354493877 is a wasteful number, since it uses less digits than its factorization.

354493877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20852598.

The product of its digits is 2540160, while the sum is 50.

The square root of 354493877 is about 18828.0077809629. The cubic root of 354493877 is about 707.7332169922.

The spelling of 354493877 in words is "three hundred fifty-four million, four hundred ninety-three thousand, eight hundred seventy-seven".