3148738 has 4 divisors (see below), whose sum is σ = 4723110. Its totient is φ = 1574368.

The previous prime is 3148697. The next prime is 3148741. The reversal of 3148738 is 8378413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8378413 = 59 ⋅142007.

It can be written as a sum of positive squares in only one way, i.e., 2934369 + 214369 = 1713^2 + 463^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 787183 + ... + 787186.

Almost surely, 2^3148738 is an apocalyptic number.

3148738 is a deficient number, since it is larger than the sum of its proper divisors (1574372).

3148738 is a wasteful number, since it uses less digits than its factorization.

3148738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574371.

The product of its digits is 16128, while the sum is 34.

The square root of 3148738 is about 1774.4683710903. The cubic root of 3148738 is about 146.5701419525.

The spelling of 3148738 in words is "three million, one hundred forty-eight thousand, seven hundred thirty-eight".