3403957 has 2 divisors, whose sum is σ = 3403958. Its totient is φ = 3403956.

The previous prime is 3403951. The next prime is 3403969. The reversal of 3403957 is 7593043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3363556 + 40401 = 1834^2 + 201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3403957 is a prime.

It is an Ulam number.

3403957 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3403951) 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 as a sum of consecutive naturals, namely, 1701978 + 1701979.

It is an arithmetic number, because the mean of its divisors is an integer number (1701979).

Almost surely, 2^3403957 is an apocalyptic number.

It is an amenable number.

3403957 is a deficient number, since it is larger than the sum of its proper divisors (1).

3403957 is an equidigital number, since it uses as much as digits as its factorization.

3403957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3403957 is about 1844.9815717237. The cubic root of 3403957 is about 150.4277715098.

The spelling of 3403957 in words is "three million, four hundred three thousand, nine hundred fifty-seven".