2914921 has 2 divisors, whose sum is σ = 2914922. Its totient is φ = 2914920.

The previous prime is 2914913. The next prime is 2914931. The reversal of 2914921 is 1294192.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2624400 + 290521 = 1620^2 + 539^2 .

It is a cyclic number.

It is not a de Polignac number, because 2914921 - 2³ = 2914913 is a prime.

2914921 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2914921.

It is not a weakly prime, because it can be changed into another prime (2914931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1457460 + 1457461.

It is an arithmetic number, because the mean of its divisors is an integer number (1457461).

2^2914921 is an apocalyptic number.

It is an amenable number.

2914921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2914921 is an equidigital number, since it uses as much as digits as its factorization.

2914921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 2914921 is about 1707.3139722968. The cubic root of 2914921 is about 142.8484710450.

The spelling of 2914921 in words is "two million, nine hundred fourteen thousand, nine hundred twenty-one".