2925947 has 4 divisors (see below), whose sum is σ = 2931216. Its totient is φ = 2920680.

The previous prime is 2925941. The next prime is 2925973. The reversal of 2925947 is 7495292.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2925947 - 2⁴ = 2925931 is a prime.

It is a super-2 number, since 2×2925947² = 17122331693618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2925947.

It is not an unprimeable number, because it can be changed into a prime (2925941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (732804).

2^2925947 is an apocalyptic number.

2925947 is a deficient number, since it is larger than the sum of its proper divisors (5269).

2925947 is an equidigital number, since it uses as much as digits as its factorization.

2925947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268.

The product of its digits is 45360, while the sum is 38.

The square root of 2925947 is about 1710.5399732248. The cubic root of 2925947 is about 143.0283576213.

The spelling of 2925947 in words is "two million, nine hundred twenty-five thousand, nine hundred forty-seven".