1921514 has 8 divisors (see below), whose sum is σ = 3294048. Its totient is φ = 823500.

The previous prime is 1921499. The next prime is 1921529. The reversal of 1921514 is 4151291.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1921499) and next prime (1921529).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1921514.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68612 + ... + 68639.

It is an arithmetic number, because the mean of its divisors is an integer number (411756).

2^1921514 is an apocalyptic number.

1921514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1921514 is a deficient number, since it is larger than the sum of its proper divisors (1372534).

1921514 is a wasteful number, since it uses less digits than its factorization.

1921514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137260.

The product of its digits is 360, while the sum is 23.

The square root of 1921514 is about 1386.1868560912. The cubic root of 1921514 is about 124.3219607523.

The spelling of 1921514 in words is "one million, nine hundred twenty-one thousand, five hundred fourteen".