3500397 has 6 divisors (see below), whose sum is σ = 5056142. Its totient is φ = 2333592.

The previous prime is 3500383. The next prime is 3500407. The reversal of 3500397 is 7930053.

It can be written as a sum of positive squares in only one way, i.e., 3218436 + 281961 = 1794^2 + 531^2 .

It is not a de Polignac number, because 3500397 - 2⁴ = 3500381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3500397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194458 + ... + 194475.

Almost surely, 2^3500397 is an apocalyptic number.

It is an amenable number.

3500397 is a deficient number, since it is larger than the sum of its proper divisors (1555745).

3500397 is a wasteful number, since it uses less digits than its factorization.

3500397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388939 (or 388936 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 27.

The square root of 3500397 is about 1870.9347930914. The cubic root of 3500397 is about 151.8351889759.

The spelling of 3500397 in words is "three million, five hundred thousand, three hundred ninety-seven".