1932161 has 16 divisors (see below), whose sum is σ = 2515968. Its totient is φ = 1438800.

The previous prime is 1932131. The next prime is 1932181. The reversal of 1932161 is 1612391.

It is a happy number.

It is not a de Polignac number, because 1932161 - 2¹⁴ = 1915777 is a prime.

It is a super-2 number, since 2×1932161² = 7466492259842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1932121) 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, 1226 + ... + 2316.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

2^1932161 is an apocalyptic number.

1932161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1932161 is a deficient number, since it is larger than the sum of its proper divisors (583807).

1932161 is a wasteful number, since it uses less digits than its factorization.

1932161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132.

The product of its digits is 324, while the sum is 23.

The square root of 1932161 is about 1390.0219422729. The cubic root of 1932161 is about 124.5511582578.

The spelling of 1932161 in words is "one million, nine hundred thirty-two thousand, one hundred sixty-one".