43454489 has 8 divisors (see below), whose sum is σ = 47212872. Its totient is φ = 39755520.

The previous prime is 43454483. The next prime is 43454507. The reversal of 43454489 is 98445434.

It can be written as a sum of positive squares in 4 ways, for example, as 25 + 43454464 = 5^2 + 6592^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43454489 is a prime.

It is a super-2 number, since 2×43454489² = 3776585228502242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43454483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13322 + ... + 16259.

It is an arithmetic number, because the mean of its divisors is an integer number (5901609).

Almost surely, 2^43454489 is an apocalyptic number.

It is an amenable number.

43454489 is a deficient number, since it is larger than the sum of its proper divisors (3758383).

43454489 is a wasteful number, since it uses less digits than its factorization.

43454489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29707.

The product of its digits is 276480, while the sum is 41.

The square root of 43454489 is about 6592.0018962376. The cubic root of 43454489 is about 351.5697896062.

The spelling of 43454489 in words is "forty-three million, four hundred fifty-four thousand, four hundred eighty-nine".