3438157 has 2 divisors, whose sum is σ = 3438158. Its totient is φ = 3438156.

The previous prime is 3438139. The next prime is 3438161. The reversal of 3438157 is 7518343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3437316 + 841 = 1854^2 + 29^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3438157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3436157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719078 + 1719079.

It is an arithmetic number, because the mean of its divisors is an integer number (1719079).

Almost surely, 2^3438157 is an apocalyptic number.

It is an amenable number.

3438157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3438157 is an equidigital number, since it uses as much as digits as its factorization.

3438157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 3438157 is about 1854.2267930326. The cubic root of 3438157 is about 150.9298828005.

The spelling of 3438157 in words is "three million, four hundred thirty-eight thousand, one hundred fifty-seven".