1994907 has 8 divisors (see below), whose sum is σ = 2667600. Its totient is φ = 1326080.

The previous prime is 1994897. The next prime is 1994911. The reversal of 1994907 is 7094991.

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

It is a cyclic number.

It is not a de Polignac number, because 1994907 - 2⁶ = 1994843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1994947) 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, 607 + ... + 2087.

It is an arithmetic number, because the mean of its divisors is an integer number (333450).

2^1994907 is an apocalyptic number.

1994907 is a deficient number, since it is larger than the sum of its proper divisors (672693).

1994907 is a wasteful number, since it uses less digits than its factorization.

1994907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 1994907 is about 1412.4117671557. The cubic root of 1994907 is about 125.8850677828.

The spelling of 1994907 in words is "one million, nine hundred ninety-four thousand, nine hundred seven".