1994470 has 8 divisors (see below), whose sum is σ = 3590064. Its totient is φ = 797784.

The previous prime is 1994467. The next prime is 1994471. The reversal of 1994470 is 744991.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994471) 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, 99714 + ... + 99733.

It is an arithmetic number, because the mean of its divisors is an integer number (448758).

2^1994470 is an apocalyptic number.

1994470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1994470 is a deficient number, since it is larger than the sum of its proper divisors (1595594).

1994470 is a wasteful number, since it uses less digits than its factorization.

1994470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199454.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1994470 is about 1412.2570587538. The cubic root of 1994470 is about 125.8758750749.

The spelling of 1994470 in words is "one million, nine hundred ninety-four thousand, four hundred seventy".