3493951 has 2 divisors, whose sum is σ = 3493952. Its totient is φ = 3493950.

The previous prime is 3493939. The next prime is 3493957. The reversal of 3493951 is 1593943.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3493951 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3493957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1746975 + 1746976.

It is an arithmetic number, because the mean of its divisors is an integer number (1746976).

Almost surely, 2^3493951 is an apocalyptic number.

3493951 is a deficient number, since it is larger than the sum of its proper divisors (1).

3493951 is an equidigital number, since it uses as much as digits as its factorization.

3493951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 34.

The square root of 3493951 is about 1869.2113310164. The cubic root of 3493951 is about 151.7419299330.

It can be divided in two parts, 3493 and 951, that added together give a palindrome (4444).

The spelling of 3493951 in words is "three million, four hundred ninety-three thousand, nine hundred fifty-one".