349076987 has 8 divisors (see below), whose sum is σ = 419942400. Its totient is φ = 283460904.

The previous prime is 349076983. The next prime is 349076989. The reversal of 349076987 is 789670943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349076987 - 2² = 349076983 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349076983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312187 + ... + 1312452.

It is an arithmetic number, because the mean of its divisors is an integer number (52492800).

Almost surely, 2^349076987 is an apocalyptic number.

349076987 is a deficient number, since it is larger than the sum of its proper divisors (70865413).

349076987 is a wasteful number, since it uses less digits than its factorization.

349076987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624665.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 349076987 is about 18683.6020884625. The cubic root of 349076987 is about 704.1098279874.

The spelling of 349076987 in words is "three hundred forty-nine million, seventy-six thousand, nine hundred eighty-seven".