436229649 has 6 divisors (see below), whose sum is σ = 630109506. Its totient is φ = 290819760.

The previous prime is 436229621. The next prime is 436229659. The reversal of 436229649 is 946922634.

It can be written as a sum of positive squares in only one way, i.e., 319265424 + 116964225 = 17868^2 + 10815^2 .

It is not a de Polignac number, because 436229649 - 2⁸ = 436229393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (436229659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24234972 + ... + 24234989.

It is an arithmetic number, because the mean of its divisors is an integer number (105018251).

Almost surely, 2^436229649 is an apocalyptic number.

It is an amenable number.

436229649 is a deficient number, since it is larger than the sum of its proper divisors (193879857).

436229649 is a wasteful number, since it uses less digits than its factorization.

436229649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48469967 (or 48469964 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 436229649 is about 20886.1113901080. Note that the first 3 decimals coincide. The cubic root of 436229649 is about 758.4117622972.

The spelling of 436229649 in words is "four hundred thirty-six million, two hundred twenty-nine thousand, six hundred forty-nine".