34938157 has 4 divisors (see below), whose sum is σ = 34949980. Its totient is φ = 34926336.

The previous prime is 34938143. The next prime is 34938181. The reversal of 34938157 is 75183943.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75183943 = 937 ⋅80239.

It can be written as a sum of positive squares in 2 ways, for example, as 1425636 + 33512521 = 1194^2 + 5789^2 .

It is a cyclic number.

It is not a de Polignac number, because 34938157 - 2¹⁵ = 34905389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34938257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2893 + ... + 8845.

It is an arithmetic number, because the mean of its divisors is an integer number (8737495).

Almost surely, 2^34938157 is an apocalyptic number.

It is an amenable number.

34938157 is a deficient number, since it is larger than the sum of its proper divisors (11823).

34938157 is an equidigital number, since it uses as much as digits as its factorization.

34938157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11822.

The product of its digits is 90720, while the sum is 40.

The square root of 34938157 is about 5910.8507847856. The cubic root of 34938157 is about 326.9138578595.

The spelling of 34938157 in words is "thirty-four million, nine hundred thirty-eight thousand, one hundred fifty-seven".