1914213 has 8 divisors (see below), whose sum is σ = 2916928. Its totient is φ = 1093824.

The previous prime is 1914197. The next prime is 1914239. The reversal of 1914213 is 3124191.

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

It is not a de Polignac number, because 1914213 - 2⁴ = 1914197 is a prime.

It is a super-2 number, since 2×1914213² = 7328422818738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 91153 = 1914213 / (1 + 9 + 1 + 4 + 2 + 1 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 1914213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914613) 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, 45556 + ... + 45597.

It is an arithmetic number, because the mean of its divisors is an integer number (364616).

2^1914213 is an apocalyptic number.

It is an amenable number.

1914213 is a deficient number, since it is larger than the sum of its proper divisors (1002715).

1914213 is an equidigital number, since it uses as much as digits as its factorization.

1914213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91163.

The product of its digits is 216, while the sum is 21.

The square root of 1914213 is about 1383.5508664303. The cubic root of 1914213 is about 124.1643026641.

The spelling of 1914213 in words is "one million, nine hundred fourteen thousand, two hundred thirteen".