1641474 has 12 divisors (see below), whose sum is σ = 3556566. Its totient is φ = 547152.

The previous prime is 1641473. The next prime is 1641509. The reversal of 1641474 is 4741461.

It can be written as a sum of positive squares in only one way, i.e., 1225449 + 416025 = 1107^2 + 645^2 .

It is a super-3 number, since 3×1641474³ = 13268544311905333272, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1641473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45579 + ... + 45614.

2^1641474 is an apocalyptic number.

1641474 is an abundant number, since it is smaller than the sum of its proper divisors (1915092).

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

1641474 is a wasteful number, since it uses less digits than its factorization.

1641474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91201 (or 91198 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1641474 is about 1281.2002185451. The cubic root of 1641474 is about 117.9626904933.

The spelling of 1641474 in words is "one million, six hundred forty-one thousand, four hundred seventy-four".