1946145 has 16 divisors (see below), whose sum is σ = 3249792. Its totient is φ = 992640.

The previous prime is 1946141. The next prime is 1946171. The reversal of 1946145 is 5416491.

It is a happy number.

It is not a de Polignac number, because 1946145 - 2² = 1946141 is a prime.

It is a super-2 number, since 2×1946145² = 7574960722050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1946141) 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, 2476 + ... + 3165.

It is an arithmetic number, because the mean of its divisors is an integer number (203112).

2^1946145 is an apocalyptic number.

1946145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1946145 is a deficient number, since it is larger than the sum of its proper divisors (1303647).

1946145 is a wasteful number, since it uses less digits than its factorization.

1946145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672.

The product of its digits is 4320, while the sum is 30.

The square root of 1946145 is about 1395.0430100897. The cubic root of 1946145 is about 124.8509155947.

It can be divided in two parts, 19 and 46145, that added together give a palindrome (46164).

The spelling of 1946145 in words is "one million, nine hundred forty-six thousand, one hundred forty-five".