43490469 has 16 divisors (see below), whose sum is σ = 63512064. Its totient is φ = 26252400.

The previous prime is 43490467. The next prime is 43490477. The reversal of 43490469 is 96409434.

It is not a de Polignac number, because 43490469 - 2¹ = 43490467 is a prime.

It is a super-2 number, since 2×43490469² = 3782841787679922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43490467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6174 + ... + 11184.

It is an arithmetic number, because the mean of its divisors is an integer number (3969504).

Almost surely, 2^43490469 is an apocalyptic number.

It is an amenable number.

43490469 is a deficient number, since it is larger than the sum of its proper divisors (20021595).

43490469 is a wasteful number, since it uses less digits than its factorization.

43490469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 43490469 is about 6594.7303963089. The cubic root of 43490469 is about 351.6667952451. Note that the first 3 decimals are identical.

The spelling of 43490469 in words is "forty-three million, four hundred ninety thousand, four hundred sixty-nine".