2916390 has 16 divisors (see below), whose sum is σ = 6999408. Its totient is φ = 777696.

The previous prime is 2916383. The next prime is 2916391. The reversal of 2916390 is 936192.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 97213 = 2916390 / (2 + 9 + 1 + 6 + 3 + 9 + 0).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2916391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48577 + ... + 48636.

It is an arithmetic number, because the mean of its divisors is an integer number (437463).

2^2916390 is an apocalyptic number.

2916390 is an abundant number, since it is smaller than the sum of its proper divisors (4083018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2916390 is a wasteful number, since it uses less digits than its factorization.

2916390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97223.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 2916390 is about 1707.7441260329. The cubic root of 2916390 is about 142.8724635950.

The spelling of 2916390 in words is "two million, nine hundred sixteen thousand, three hundred ninety".