354911949 has 72 divisors (see below), whose sum is σ = 634390848. Its totient is φ = 197588160.

The previous prime is 354911939. The next prime is 354911983. The reversal of 354911949 is 949119453.

354911949 is a `hidden beast` number, since 3 + 549 + 11 + 94 + 9 = 666.

It is not a de Polignac number, because 354911949 - 2¹⁵ = 354879181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354911939) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 487824 + ... + 488550.

It is an arithmetic number, because the mean of its divisors is an integer number (8810984).

Almost surely, 2^354911949 is an apocalyptic number.

It is an amenable number.

354911949 is a deficient number, since it is larger than the sum of its proper divisors (279478899).

354911949 is an equidigital number, since it uses as much as digits as its factorization.

354911949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 778 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 354911949 is about 18839.1069055834. The cubic root of 354911949 is about 708.0113291781.

The spelling of 354911949 in words is "three hundred fifty-four million, nine hundred eleven thousand, nine hundred forty-nine".