43494959 has 4 divisors (see below), whose sum is σ = 46053504. Its totient is φ = 40936416.

The previous prime is 43494931. The next prime is 43494961. The reversal of 43494959 is 95949434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43494959 - 2¹⁶ = 43429423 is a prime.

It is a super-2 number, since 2×43494959² = 3783622916823362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43494989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279247 + ... + 1279280.

It is an arithmetic number, because the mean of its divisors is an integer number (11513376).

Almost surely, 2^43494959 is an apocalyptic number.

43494959 is a deficient number, since it is larger than the sum of its proper divisors (2558545).

43494959 is a wasteful number, since it uses less digits than its factorization.

43494959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558544.

The product of its digits is 699840, while the sum is 47.

The square root of 43494959 is about 6595.0708108405. The cubic root of 43494959 is about 351.6788969739.

The spelling of 43494959 in words is "forty-three million, four hundred ninety-four thousand, nine hundred fifty-nine".