33429401 has 8 divisors (see below), whose sum is σ = 34243944. Its totient is φ = 32624640.

The previous prime is 33429359. The next prime is 33429443. The reversal of 33429401 is 10492433.

It is an interprime number because it is at equal distance from previous prime (33429359) and next prime (33429443).

It can be written as a sum of positive squares in 4 ways, for example, as 5593225 + 27836176 = 2365^2 + 5276^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33429401 is a prime.

It is a super-2 number, since 2×33429401² = 2235049702437602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33429901) 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, 4721 + ... + 9441.

It is an arithmetic number, because the mean of its divisors is an integer number (4280493).

Almost surely, 2^33429401 is an apocalyptic number.

33429401 is the 4721-st pentagonal number.

It is an amenable number.

33429401 is a deficient number, since it is larger than the sum of its proper divisors (814543).

33429401 is an equidigital number, since it uses as much as digits as its factorization.

33429401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 33429401 is about 5781.8164100912. The cubic root of 33429401 is about 322.1386727012.

The spelling of 33429401 in words is "thirty-three million, four hundred twenty-nine thousand, four hundred one".