7890214 has 4 divisors (see below), whose sum is σ = 11835324. Its totient is φ = 3945106.

The previous prime is 7890209. The next prime is 7890217. The reversal of 7890214 is 4120987.

7890214 = T₂₂₉₂ + T₂₂₉₃ + T₂₂₉₄.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7890217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1972552 + ... + 1972555.

It is an arithmetic number, because the mean of its divisors is an integer number (2958831).

Almost surely, 2^7890214 is an apocalyptic number.

7890214 is the 2294-th centered triangular number.

7890214 is a deficient number, since it is larger than the sum of its proper divisors (3945110).

7890214 is a wasteful number, since it uses less digits than its factorization.

7890214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945109.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 7890214 is about 2808.9524737880. The cubic root of 7890214 is about 199.0808994072.

The spelling of 7890214 in words is "seven million, eight hundred ninety thousand, two hundred fourteen".