16961942 has 4 divisors (see below), whose sum is σ = 25442916. Its totient is φ = 8480970.

The previous prime is 16961941. The next prime is 16961953. The reversal of 16961942 is 24916961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24916961 = 19 ⋅1311419.

It is a super-2 number, since 2×16961942² = 575414952822728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16961896 and 16961905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16961941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240484 + ... + 4240487.

It is an arithmetic number, because the mean of its divisors is an integer number (6360729).

Almost surely, 2^16961942 is an apocalyptic number.

16961942 is a deficient number, since it is larger than the sum of its proper divisors (8480974).

16961942 is an equidigital number, since it uses as much as digits as its factorization.

16961942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480973.

The product of its digits is 23328, while the sum is 38.

The square root of 16961942 is about 4118.4878292888. The cubic root of 16961942 is about 256.9361375939.

The spelling of 16961942 in words is "sixteen million, nine hundred sixty-one thousand, nine hundred forty-two".