3138434 has 8 divisors (see below), whose sum is σ = 5069820. Its totient is φ = 1448496.

The previous prime is 3138403. The next prime is 3138449. The reversal of 3138434 is 4348313.

3138434 = 57² + 58² + ... + 212².

It can be written as a sum of positive squares in 2 ways, for example, as 2839225 + 299209 = 1685^2 + 547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 120709 = 3138434 / (3 + 1 + 3 + 8 + 4 + 3 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60329 + ... + 60380.

Almost surely, 2^3138434 is an apocalyptic number.

3138434 is a deficient number, since it is larger than the sum of its proper divisors (1931386).

3138434 is a wasteful number, since it uses less digits than its factorization.

3138434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120724.

The product of its digits is 3456, while the sum is 26.

The square root of 3138434 is about 1771.5625870965. The cubic root of 3138434 is about 146.4100874433.

The spelling of 3138434 in words is "three million, one hundred thirty-eight thousand, four hundred thirty-four".