3047157 has 6 divisors (see below), whose sum is σ = 4401462. Its totient is φ = 2031432.

The previous prime is 3047153. The next prime is 3047167. The reversal of 3047157 is 7517403.

It can be written as a sum of positive squares in only one way, i.e., 3006756 + 40401 = 1734^2 + 201^2 .

It is not a de Polignac number, because 3047157 - 2² = 3047153 is a prime.

3047157 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3047157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3047153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169278 + ... + 169295.

It is an arithmetic number, because the mean of its divisors is an integer number (733577).

Almost surely, 2^3047157 is an apocalyptic number.

It is an amenable number.

3047157 is a deficient number, since it is larger than the sum of its proper divisors (1354305).

3047157 is a wasteful number, since it uses less digits than its factorization.

3047157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338579 (or 338576 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 3047157 is about 1745.6107813599. The cubic root of 3047157 is about 144.9767223830.

The spelling of 3047157 in words is "three million, forty-seven thousand, one hundred fifty-seven".