3400157 has 2 divisors, whose sum is σ = 3400158. Its totient is φ = 3400156.

The previous prime is 3400127. The next prime is 3400193. The reversal of 3400157 is 7510043.

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., 3290596 + 109561 = 1814^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 3400157 - 2⁶ = 3400093 is a prime.

It is a super-2 number, since 2×3400157² = 23122135249298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3400127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700078 + 1700079.

It is an arithmetic number, because the mean of its divisors is an integer number (1700079).

Almost surely, 2^3400157 is an apocalyptic number.

It is an amenable number.

3400157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400157 is an equidigital number, since it uses as much as digits as its factorization.

3400157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 3400157 is about 1843.9514635695. The cubic root of 3400157 is about 150.3717740952.

The spelling of 3400157 in words is "three million, four hundred thousand, one hundred fifty-seven".