1946139 has 16 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 1185696.

The previous prime is 1946117. The next prime is 1946141. The reversal of 1946139 is 9316491.

It is not a de Polignac number, because 1946139 - 2⁷ = 1946011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1946839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5242 + ... + 5600.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^1946139 is an apocalyptic number.

1946139 is a deficient number, since it is larger than the sum of its proper divisors (876261).

1946139 is a wasteful number, since it uses less digits than its factorization.

1946139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its digits is 5832, while the sum is 33.

The square root of 1946139 is about 1395.0408596167. The cubic root of 1946139 is about 124.8507872887.

The spelling of 1946139 in words is "one million, nine hundred forty-six thousand, one hundred thirty-nine".