2906247 has 8 divisors (see below), whose sum is σ = 3909744. Its totient is φ = 1920128.

The previous prime is 2906231. The next prime is 2906261. The reversal of 2906247 is 7426092.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2906247 - 2⁴ = 2906231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906207) 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, 3948 + ... + 4625.

It is an arithmetic number, because the mean of its divisors is an integer number (488718).

2^2906247 is an apocalyptic number.

2906247 is a deficient number, since it is larger than the sum of its proper divisors (1003497).

2906247 is a wasteful number, since it uses less digits than its factorization.

2906247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8689.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2906247 is about 1704.7718322403. The cubic root of 2906247 is about 142.7066377312.

The spelling of 2906247 in words is "two million, nine hundred six thousand, two hundred forty-seven".