354749687 has 2 divisors, whose sum is σ = 354749688. Its totient is φ = 354749686.

The previous prime is 354749669. The next prime is 354749743. The reversal of 354749687 is 786947453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354749687 - 2²² = 350555383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354745687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177374843 + 177374844.

It is an arithmetic number, because the mean of its divisors is an integer number (177374844).

Almost surely, 2^354749687 is an apocalyptic number.

354749687 is a deficient number, since it is larger than the sum of its proper divisors (1).

354749687 is an equidigital number, since it uses as much as digits as its factorization.

354749687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 53.

The square root of 354749687 is about 18834.7998927517. The cubic root of 354749687 is about 707.9034142930.

The spelling of 354749687 in words is "three hundred fifty-four million, seven hundred forty-nine thousand, six hundred eighty-seven".