3540030 has 64 divisors (see below), whose sum is σ = 9495360. Its totient is φ = 838656.

The previous prime is 3539971. The next prime is 3540041. The reversal of 3540030 is 300453.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3539991 and 3540009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11154 + ... + 11466.

It is an arithmetic number, because the mean of its divisors is an integer number (148365).

Almost surely, 2^3540030 is an apocalyptic number.

3540030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3540030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4747680).

3540030 is an abundant number, since it is smaller than the sum of its proper divisors (5955330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3540030 is a wasteful number, since it uses less digits than its factorization.

3540030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 3540030 is about 1881.4967446158. The cubic root of 3540030 is about 152.4060874801.

Adding to 3540030 its reverse (300453), we get a palindrome (3840483).

The spelling of 3540030 in words is "three million, five hundred forty thousand, thirty".