3521396 has 6 divisors (see below), whose sum is σ = 6162450. Its totient is φ = 1760696.

The previous prime is 3521389. The next prime is 3521417. The reversal of 3521396 is 6931253.

It can be written as a sum of positive squares in only one way, i.e., 2592100 + 929296 = 1610^2 + 964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440171 + ... + 440178.

It is an arithmetic number, because the mean of its divisors is an integer number (1027075).

Almost surely, 2^3521396 is an apocalyptic number.

It is an amenable number.

3521396 is a deficient number, since it is larger than the sum of its proper divisors (2641054).

3521396 is a wasteful number, since it uses less digits than its factorization.

3521396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880353 (or 880351 counting only the distinct ones).

The product of its digits is 4860, while the sum is 29.

The square root of 3521396 is about 1876.5383023003. The cubic root of 3521396 is about 152.1382053243.

The spelling of 3521396 in words is "three million, five hundred twenty-one thousand, three hundred ninety-six".