2139962 has 16 divisors (see below), whose sum is σ = 3525984. Its totient is φ = 966000.

The previous prime is 2139959. The next prime is 2139967. The reversal of 2139962 is 2699312.

It is a super-2 number, since 2×2139962² = 9158874722888, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹³ + 1 + 3¹³ + 9⁴ + 9⁴ + 6² + 2¹⁹ .

It is not an unprimeable number, because it can be changed into a prime (2139967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4412 + ... + 4872.

It is an arithmetic number, because the mean of its divisors is an integer number (220374).

2^2139962 is an apocalyptic number.

2139962 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2139962 is a deficient number, since it is larger than the sum of its proper divisors (1386022).

2139962 is a wasteful number, since it uses less digits than its factorization.

2139962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its digits is 5832, while the sum is 32.

The square root of 2139962 is about 1462.8608956425. The cubic root of 2139962 is about 128.8651114922.

The spelling of 2139962 in words is "two million, one hundred thirty-nine thousand, nine hundred sixty-two".