1994736 has 40 divisors (see below), whose sum is σ = 5334480. Its totient is φ = 641536.

The previous prime is 1994717. The next prime is 1994743. The reversal of 1994736 is 6374991.

1994736 = 234² + 235² + ... + 265².

It is a junction number, because it is equal to n+sod(n) for n = 1994694 and 1994703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676 + ... + 2108.

It is an arithmetic number, because the mean of its divisors is an integer number (133362).

2^1994736 is an apocalyptic number.

1994736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1994736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2667240).

1994736 is an abundant number, since it is smaller than the sum of its proper divisors (3339744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1994736 is a wasteful number, since it uses less digits than its factorization.

1994736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473 (or 1467 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 1994736 is about 1412.3512311037. The cubic root of 1994736 is about 125.8814707961.

The spelling of 1994736 in words is "one million, nine hundred ninety-four thousand, seven hundred thirty-six".