40984429 has 4 divisors (see below), whose sum is σ = 41178880. Its totient is φ = 40789980.

The previous prime is 40984417. The next prime is 40984439. The reversal of 40984429 is 92448904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40984429 - 2⁵ = 40984397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40984391 and 40984400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40984439) 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, 96909 + ... + 97330.

It is an arithmetic number, because the mean of its divisors is an integer number (10294720).

Almost surely, 2^40984429 is an apocalyptic number.

It is an amenable number.

40984429 is a deficient number, since it is larger than the sum of its proper divisors (194451).

40984429 is a wasteful number, since it uses less digits than its factorization.

40984429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194450.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 40984429 is about 6401.9082311448. The cubic root of 40984429 is about 344.7780663235.

The spelling of 40984429 in words is "forty million, nine hundred eighty-four thousand, four hundred twenty-nine".