354403087 has 4 divisors (see below), whose sum is σ = 354497616. Its totient is φ = 354308560.

The previous prime is 354403081. The next prime is 354403099. The reversal of 354403087 is 780304453.

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: 780304453 = 1831 ⋅426163.

It is a cyclic number.

It is not a de Polignac number, because 354403087 - 2³ = 354403079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354403081) 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, 41398 + ... + 49219.

It is an arithmetic number, because the mean of its divisors is an integer number (88624404).

Almost surely, 2^354403087 is an apocalyptic number.

354403087 is a deficient number, since it is larger than the sum of its proper divisors (94529).

354403087 is an equidigital number, since it uses as much as digits as its factorization.

354403087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94528.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 354403087 is about 18825.5965908122. The cubic root of 354403087 is about 707.6727922673.

The spelling of 354403087 in words is "three hundred fifty-four million, four hundred three thousand, eighty-seven".