3499973 has 2 divisors, whose sum is σ = 3499974. Its totient is φ = 3499972.

The previous prime is 3499967. The next prime is 3499999. The reversal of 3499973 is 3799943.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2455489 + 1044484 = 1567^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 3499973 - 2¹⁰ = 3498949 is a prime.

It is a super-2 number, since 2×3499973² = 24499622001458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3499913) 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, 1749986 + 1749987.

It is an arithmetic number, because the mean of its divisors is an integer number (1749987).

Almost surely, 2^3499973 is an apocalyptic number.

It is an amenable number.

3499973 is a deficient number, since it is larger than the sum of its proper divisors (1).

3499973 is an equidigital number, since it uses as much as digits as its factorization.

3499973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 44.

The square root of 3499973 is about 1870.8214773195. The cubic root of 3499973 is about 151.8290581742.

The spelling of 3499973 in words is "three million, four hundred ninety-nine thousand, nine hundred seventy-three".