1897074 has 48 divisors (see below), whose sum is σ = 4543200. Its totient is φ = 585144.

The previous prime is 1897073. The next prime is 1897079. The reversal of 1897074 is 4707981.

It is a super-2 number, since 2×1897074² = 7197779522952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1897073) 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, 44097 + ... + 44139.

It is an arithmetic number, because the mean of its divisors is an integer number (94650).

2^1897074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1897074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2271600).

1897074 is an abundant number, since it is smaller than the sum of its proper divisors (2646126).

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

1897074 is a wasteful number, since it uses less digits than its factorization.

1897074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1897074 is about 1377.3430945120. The cubic root of 1897074 is about 123.7926207647.

It can be divided in two parts, 18970 and 74, that added together give a square (19044 = 138²).

The spelling of 1897074 in words is "one million, eight hundred ninety-seven thousand, seventy-four".