33490429 has 8 divisors (see below), whose sum is σ = 38799680. Its totient is φ = 28312416.

The previous prime is 33490409. The next prime is 33490453. The reversal of 33490429 is 92409433.

33490429 = 641² + 642² + ... + 713².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33490429 - 2⁵ = 33490397 is a prime.

It is a super-2 number, since 2×33490429² = 2243217669208082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33490394 and 33490403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33490409) 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, 32259 + ... + 33280.

It is an arithmetic number, because the mean of its divisors is an integer number (4849960).

Almost surely, 2^33490429 is an apocalyptic number.

It is an amenable number.

33490429 is a deficient number, since it is larger than the sum of its proper divisors (5309251).

33490429 is an equidigital number, since it uses as much as digits as its factorization.

33490429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65619.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 33490429 is about 5787.0915838614. The cubic root of 33490429 is about 322.3345833580.

The spelling of 33490429 in words is "thirty-three million, four hundred ninety thousand, four hundred twenty-nine".