2142046 has 4 divisors (see below), whose sum is σ = 3213072. Its totient is φ = 1071022.

The previous prime is 2142043. The next prime is 2142053. The reversal of 2142046 is 6402412.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2142046² = 9176722132232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535510 + ... + 535513.

It is an arithmetic number, because the mean of its divisors is an integer number (803268).

2^2142046 is an apocalyptic number.

2142046 is a deficient number, since it is larger than the sum of its proper divisors (1071026).

2142046 is a wasteful number, since it uses less digits than its factorization.

2142046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071025.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2142046 is about 1463.5730251682. The cubic root of 2142046 is about 128.9069296432.

Adding to 2142046 its reverse (6402412), we get a palindrome (8544458).

The spelling of 2142046 in words is "two million, one hundred forty-two thousand, forty-six".