356945449 has 9 divisors (see below), whose sum is σ = 415376157. Its totient is φ = 305839884.

The previous prime is 356945437. The next prime is 356945453. The reversal of 356945449 is 944549653.

The square root of 356945449 is 18893.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 356945449 - 2¹⁹ = 356421161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (356945429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 130902 + ... + 133600.

Almost surely, 2^356945449 is an apocalyptic number.

356945449 is the 18893-rd square number.

356945449 is the 9447-th centered octagonal number.

It is an amenable number.

356945449 is a deficient number, since it is larger than the sum of its proper divisors (58430708).

356945449 is an frugal number, since it uses more digits than its factorization.

356945449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412 (or 2706 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 49.

The cubic root of 356945449 is about 709.3609597485.

Multiplying 356945449 by its sum of digits (49), we get a square (17490327001 = 132251²).

356945449 divided by its sum of digits (49) gives a square (7284601 = 2699²).

The spelling of 356945449 in words is "three hundred fifty-six million, nine hundred forty-five thousand, four hundred forty-nine".