3520038 has 16 divisors (see below), whose sum is σ = 7140096. Its totient is φ = 1156680.

The previous prime is 3520021. The next prime is 3520043. The reversal of 3520038 is 8300253.

It is a junction number, because it is equal to n+sod(n) for n = 3519996 and 3520023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3706 + ... + 4557.

It is an arithmetic number, because the mean of its divisors is an integer number (446256).

Almost surely, 2^3520038 is an apocalyptic number.

3520038 is an abundant number, since it is smaller than the sum of its proper divisors (3620058).

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

3520038 is a wasteful number, since it uses less digits than its factorization.

3520038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8339.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3520038 is about 1876.1764309361. The cubic root of 3520038 is about 152.1186458232.

The spelling of 3520038 in words is "three million, five hundred twenty thousand, thirty-eight".