43429490 has 32 divisors (see below), whose sum is σ = 86471280. Its totient is φ = 15600384.

The previous prime is 43429469. The next prime is 43429531. The reversal of 43429490 is 9492434.

It can be written as a sum of positive squares in 8 ways, for example, as 35129329 + 8300161 = 5927^2 + 2881^2 .

It is a super-2 number, since 2×43429490² = 3772241203320200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43429490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296 + ... + 9324.

Almost surely, 2^43429490 is an apocalyptic number.

43429490 is a deficient number, since it is larger than the sum of its proper divisors (43041790).

43429490 is a wasteful number, since it uses less digits than its factorization.

43429490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9086.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 43429490 is about 6590.1054619786. The cubic root of 43429490 is about 351.5023582982.

The spelling of 43429490 in words is "forty-three million, four hundred twenty-nine thousand, four hundred ninety".