43461634 has 4 divisors (see below), whose sum is σ = 65192454. Its totient is φ = 21730816.

The previous prime is 43461631. The next prime is 43461653. The reversal of 43461634 is 43616434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43616434 = 2 ⋅21808217.

It can be written as a sum of positive squares in only one way, i.e., 36036009 + 7425625 = 6003^2 + 2725^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 43461596 and 43461605.

It is not an unprimeable number, because it can be changed into a prime (43461631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10865407 + ... + 10865410.

Almost surely, 2^43461634 is an apocalyptic number.

43461634 is a deficient number, since it is larger than the sum of its proper divisors (21730820).

43461634 is a wasteful number, since it uses less digits than its factorization.

43461634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21730819.

The product of its digits is 20736, while the sum is 31.

The square root of 43461634 is about 6592.5438185878. The cubic root of 43461634 is about 351.5890574927.

The spelling of 43461634 in words is "forty-three million, four hundred sixty-one thousand, six hundred thirty-four".