1914869 has 4 divisors (see below), whose sum is σ = 2088960. Its totient is φ = 1740780.

The previous prime is 1914853. The next prime is 1914883. The reversal of 1914869 is 9684191.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1914869 - 2⁴ = 1914853 is a prime.

It is a super-2 number, since 2×1914869² = 7333446574322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914889) 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, 87029 + ... + 87050.

It is an arithmetic number, because the mean of its divisors is an integer number (522240).

2^1914869 is an apocalyptic number.

It is an amenable number.

1914869 is a deficient number, since it is larger than the sum of its proper divisors (174091).

1914869 is a wasteful number, since it uses less digits than its factorization.

1914869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174090.

The product of its digits is 15552, while the sum is 38.

The square root of 1914869 is about 1383.7879172763. The cubic root of 1914869 is about 124.1784847291.

The spelling of 1914869 in words is "one million, nine hundred fourteen thousand, eight hundred sixty-nine".