353041987 has 4 divisors (see below), whose sum is σ = 355737096. Its totient is φ = 350346880.

The previous prime is 353041979. The next prime is 353041991. The reversal of 353041987 is 789140353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789140353 = 2111 ⋅373823.

It is a cyclic number.

It is not a de Polignac number, because 353041987 - 2³ = 353041979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353044987) 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, 1347358 + ... + 1347619.

It is an arithmetic number, because the mean of its divisors is an integer number (88934274).

Almost surely, 2^353041987 is an apocalyptic number.

353041987 is a deficient number, since it is larger than the sum of its proper divisors (2695109).

353041987 is a wasteful number, since it uses less digits than its factorization.

353041987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695108.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 353041987 is about 18789.4115660922. The cubic root of 353041987 is about 706.7656809413.

The spelling of 353041987 in words is "three hundred fifty-three million, forty-one thousand, nine hundred eighty-seven".