438949359 has 12 divisors (see below), whose sum is σ = 642064800. Its totient is φ = 288928224.

The previous prime is 438949337. The next prime is 438949369. The reversal of 438949359 is 953949834.

It is not a de Polignac number, because 438949359 - 2⁵ = 438949327 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438949369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307974 + ... + 309395.

It is an arithmetic number, because the mean of its divisors is an integer number (53505400).

Almost surely, 2^438949359 is an apocalyptic number.

438949359 is a deficient number, since it is larger than the sum of its proper divisors (203115441).

438949359 is a wasteful number, since it uses less digits than its factorization.

438949359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617454 (or 617451 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 438949359 is about 20951.1183233736. The cubic root of 438949359 is about 759.9846251506.

The spelling of 438949359 in words is "four hundred thirty-eight million, nine hundred forty-nine thousand, three hundred fifty-nine".