3540029 has 8 divisors (see below), whose sum is σ = 3819960. Its totient is φ = 3268096.

The previous prime is 3539971. The next prime is 3540041. The reversal of 3540029 is 9200453.

It can be written as a sum of positive squares in 4 ways, for example, as 683929 + 2856100 = 827^2 + 1690^2 .

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 3540029 - 2²⁰ = 2491453 is a prime.

It is a super-3 number, since 3×3540029³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3539986 and 3540013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540529) 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, 1064 + ... + 2865.

It is an arithmetic number, because the mean of its divisors is an integer number (477495).

Almost surely, 2^3540029 is an apocalyptic number.

It is an amenable number.

3540029 is a deficient number, since it is larger than the sum of its proper divisors (279931).

3540029 is a wasteful number, since it uses less digits than its factorization.

3540029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3540029 is about 1881.4964788699. The cubic root of 3540029 is about 152.4060731294.

The spelling of 3540029 in words is "three million, five hundred forty thousand, twenty-nine".