240429 has 12 divisors (see below), whose sum is σ = 369824. Its totient is φ = 136104.

The previous prime is 240421. The next prime is 240433. The reversal of 240429 is 924042.

240429 = T₆ + T₇ + ... + T₁₁₂.

It is not a de Polignac number, because 240429 - 2³ = 240421 is a prime.

It is a super-2 number, since 2×240429² = 115612208082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2194 + ... + 2300.

2²⁴⁰⁴²⁹ is an apocalyptic number.

It is an amenable number.

240429 is a deficient number, since it is larger than the sum of its proper divisors (129395).

240429 is an equidigital number, since it uses as much as digits as its factorization.

240429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 240429 is about 490.3355993603. The cubic root of 240429 is about 62.1816559326.

Multiplying 240429 by its sum of digits (21), we get a square (5049009 = 2247²).

240429 divided by its sum of digits (21) gives a square (11449 = 107²).

The spelling of 240429 in words is "two hundred forty thousand, four hundred twenty-nine".