3506944397 has 16 divisors (see below), whose sum is σ = 3934783872. Its totient is φ = 3097523520.

The previous prime is 3506944387. The next prime is 3506944403. The reversal of 3506944397 is 7934496053.

3506944397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3506944397 - 2⁴ = 3506944381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506944327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296603 + ... + 308199.

It is an arithmetic number, because the mean of its divisors is an integer number (245923992).

Almost surely, 2^3506944397 is an apocalyptic number.

3506944397 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3506944397 is a deficient number, since it is larger than the sum of its proper divisors (427839475).

3506944397 is a wasteful number, since it uses less digits than its factorization.

3506944397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12388.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The square root of 3506944397 is about 59219.4596142180. The cubic root of 3506944397 is about 1519.2979787084.

The spelling of 3506944397 in words is "three billion, five hundred six million, nine hundred forty-four thousand, three hundred ninety-seven".