3147490 has 16 divisors (see below), whose sum is σ = 5686200. Its totient is φ = 1254400.

The previous prime is 3147467. The next prime is 3147497. The reversal of 3147490 is 947413.

It can be written as a sum of positive squares in 4 ways, for example, as 3017169 + 130321 = 1737^2 + 361^2 .

It is not an unprimeable number, because it can be changed into a prime (3147497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4140 + ... + 4840.

Almost surely, 2^3147490 is an apocalyptic number.

3147490 is a deficient number, since it is larger than the sum of its proper divisors (2538710).

3147490 is a wasteful number, since it uses less digits than its factorization.

3147490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3147490 is about 1774.1166816193. The cubic root of 3147490 is about 146.5507750708.

The spelling of 3147490 in words is "three million, one hundred forty-seven thousand, four hundred ninety".