2906157 has 8 divisors (see below), whose sum is σ = 4000000. Its totient is φ = 1874880.

The previous prime is 2906153. The next prime is 2906159. The reversal of 2906157 is 7516092.

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

It is not a de Polignac number, because 2906157 - 2² = 2906153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906153) 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, 15532 + ... + 15717.

It is an arithmetic number, because the mean of its divisors is an integer number (500000).

2^2906157 is an apocalyptic number.

It is an amenable number.

2906157 is a deficient number, since it is larger than the sum of its proper divisors (1093843).

2906157 is a wasteful number, since it uses less digits than its factorization.

2906157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31283.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 2906157 is about 1704.7454355416. The cubic root of 2906157 is about 142.7051646137.

The spelling of 2906157 in words is "two million, nine hundred six thousand, one hundred fifty-seven".