43954461 has 8 divisors (see below), whose sum is σ = 65117760. Its totient is φ = 29302956.

The previous prime is 43954457. The next prime is 43954481. The reversal of 43954461 is 16445934.

It is not a de Polignac number, because 43954461 - 2² = 43954457 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43954411) 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, 813945 + ... + 813998.

It is an arithmetic number, because the mean of its divisors is an integer number (8139720).

Almost surely, 2^43954461 is an apocalyptic number.

It is an amenable number.

43954461 is a deficient number, since it is larger than the sum of its proper divisors (21163299).

43954461 is a wasteful number, since it uses less digits than its factorization.

43954461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627952 (or 1627946 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 43954461 is about 6629.8160607969. The cubic root of 43954461 is about 352.9129971472.

The spelling of 43954461 in words is "forty-three million, nine hundred fifty-four thousand, four hundred sixty-one".