1894728 has 32 divisors (see below), whose sum is σ = 5168160. Its totient is φ = 574080.

The previous prime is 1894727. The next prime is 1894729. The reversal of 1894728 is 8274981.

It is an interprime number because it is at equal distance from previous prime (1894727) and next prime (1894729).

It is not an unprimeable number, because it can be changed into a prime (1894727) 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, 3325 + ... + 3852.

It is an arithmetic number, because the mean of its divisors is an integer number (161505).

2^1894728 is an apocalyptic number.

It is an amenable number.

1894728 is an abundant number, since it is smaller than the sum of its proper divisors (3273432).

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

1894728 is a wasteful number, since it uses less digits than its factorization.

1894728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7197 (or 7193 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 1894728 is about 1376.4911913993. The cubic root of 1894728 is about 123.7415706941.

The spelling of 1894728 in words is "one million, eight hundred ninety-four thousand, seven hundred twenty-eight".