354348987 has 4 divisors (see below), whose sum is σ = 472465320. Its totient is φ = 236232656.

The previous prime is 354348959. The next prime is 354348989. The reversal of 354348987 is 789843453.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 354348987 - 2¹⁴ = 354332603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (354348989) 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, 59058162 + ... + 59058167.

It is an arithmetic number, because the mean of its divisors is an integer number (118116330).

Almost surely, 2^354348987 is an apocalyptic number.

354348987 is a deficient number, since it is larger than the sum of its proper divisors (118116333).

354348987 is a wasteful number, since it uses less digits than its factorization.

354348987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118116332.

The product of its digits is 2903040, while the sum is 51.

The square root of 354348987 is about 18824.1596625188. The cubic root of 354348987 is about 707.6367814388.

The spelling of 354348987 in words is "three hundred fifty-four million, three hundred forty-eight thousand, nine hundred eighty-seven".