2901623 has 4 divisors (see below), whose sum is σ = 3054360. Its totient is φ = 2748888.

The previous prime is 2901617. The next prime is 2901643. The reversal of 2901623 is 3261092.

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 2901623 - 2⁴ = 2901607 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 (2901643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76340 + ... + 76377.

It is an arithmetic number, because the mean of its divisors is an integer number (763590).

2^2901623 is an apocalyptic number.

2901623 is a deficient number, since it is larger than the sum of its proper divisors (152737).

2901623 is a wasteful number, since it uses less digits than its factorization.

2901623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152736.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2901623 is about 1703.4150991464. The cubic root of 2901623 is about 142.6309128337.

The spelling of 2901623 in words is "two million, nine hundred one thousand, six hundred twenty-three".