3125438 has 4 divisors (see below), whose sum is σ = 4688160. Its totient is φ = 1562718.

The previous prime is 3125387. The next prime is 3125449. The reversal of 3125438 is 8345213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8345213 = 367 ⋅22739.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781358 + ... + 781361.

It is an arithmetic number, because the mean of its divisors is an integer number (1172040).

Almost surely, 2^3125438 is an apocalyptic number.

3125438 is a deficient number, since it is larger than the sum of its proper divisors (1562722).

3125438 is a wasteful number, since it uses less digits than its factorization.

3125438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562721.

The product of its digits is 2880, while the sum is 26.

The square root of 3125438 is about 1767.8908337338. The cubic root of 3125438 is about 146.2077170970.

The spelling of 3125438 in words is "three million, one hundred twenty-five thousand, four hundred thirty-eight".