437384889 has 12 divisors (see below), whose sum is σ = 635310000. Its totient is φ = 289959864.

The previous prime is 437384861. The next prime is 437384903. The reversal of 437384889 is 988483734.

It is not a de Polignac number, because 437384889 - 2¹² = 437380793 is a prime.

It is a super-2 number, since 2×437384889² = 382611082251084642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (437384809) 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, 134139 + ... + 137360.

It is an arithmetic number, because the mean of its divisors is an integer number (52942500).

Almost surely, 2^437384889 is an apocalyptic number.

It is an amenable number.

437384889 is a deficient number, since it is larger than the sum of its proper divisors (197925111).

437384889 is a wasteful number, since it uses less digits than its factorization.

437384889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271684 (or 271681 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 437384889 is about 20913.7488031199. The cubic root of 437384889 is about 759.0806571682.

The spelling of 437384889 in words is "four hundred thirty-seven million, three hundred eighty-four thousand, eight hundred eighty-nine".