438199465 has 8 divisors (see below), whose sum is σ = 573643008. Its totient is φ = 318690480.

The previous prime is 438199441. The next prime is 438199481. The reversal of 438199465 is 564991834.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 438199465 - 2¹⁵ = 438166697 is a prime.

It is a super-2 number, since 2×438199465² = 384037542252572450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3983577 + ... + 3983686.

It is an arithmetic number, because the mean of its divisors is an integer number (71705376).

Almost surely, 2^438199465 is an apocalyptic number.

It is an amenable number.

438199465 is a deficient number, since it is larger than the sum of its proper divisors (135443543).

438199465 is a wasteful number, since it uses less digits than its factorization.

438199465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7967279.

The product of its digits is 933120, while the sum is 49.

The square root of 438199465 is about 20933.2143972205. The cubic root of 438199465 is about 759.5515966417.

The spelling of 438199465 in words is "four hundred thirty-eight million, one hundred ninety-nine thousand, four hundred sixty-five".