1954849 has 4 divisors (see below), whose sum is σ = 2105236. Its totient is φ = 1804464.

The previous prime is 1954819. The next prime is 1954873. The reversal of 1954849 is 9484591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9484591 = 19 ⋅499189.

It can be written as a sum of positive squares in 2 ways, for example, as 180625 + 1774224 = 425^2 + 1332^2 .

It is a cyclic number.

It is not a de Polignac number, because 1954849 - 2¹³ = 1946657 is a prime.

It is a super-2 number, since 2×1954849² = 7642869225602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1954819) 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, 75174 + ... + 75199.

It is an arithmetic number, because the mean of its divisors is an integer number (526309).

2^1954849 is an apocalyptic number.

It is an amenable number.

1954849 is a deficient number, since it is larger than the sum of its proper divisors (150387).

1954849 is a wasteful number, since it uses less digits than its factorization.

1954849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150386.

The product of its digits is 51840, while the sum is 40.

The square root of 1954849 is about 1398.1591468785. The cubic root of 1954849 is about 125.0367678506.

The spelling of 1954849 in words is "one million, nine hundred fifty-four thousand, eight hundred forty-nine".