1994715 has 24 divisors (see below), whose sum is σ = 3641040. Its totient is φ = 1007424.

The previous prime is 1994711. The next prime is 1994717. The reversal of 1994715 is 5174991.

It is not a de Polignac number, because 1994715 - 2² = 1994711 is a prime.

1994715 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1994715.

It is not an unprimeable number, because it can be changed into a prime (1994711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312 + ... + 2021.

It is an arithmetic number, because the mean of its divisors is an integer number (151710).

2^1994715 is an apocalyptic number.

1994715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1994715 is a deficient number, since it is larger than the sum of its proper divisors (1646325).

1994715 is a wasteful number, since it uses less digits than its factorization.

1994715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363 (or 2360 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 1994715 is about 1412.3437966728. The cubic root of 1994715 is about 125.8810290468.

The spelling of 1994715 in words is "one million, nine hundred ninety-four thousand, seven hundred fifteen".