2137420 has 12 divisors (see below), whose sum is σ = 4488624. Its totient is φ = 854960.

The previous prime is 2137411. The next prime is 2137423. The reversal of 2137420 is 247312.

It is not an unprimeable number, because it can be changed into a prime (2137423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53416 + ... + 53455.

It is an arithmetic number, because the mean of its divisors is an integer number (374052).

2^2137420 is an apocalyptic number.

2137420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2137420 is an abundant number, since it is smaller than the sum of its proper divisors (2351204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2137420 is a wasteful number, since it uses less digits than its factorization.

2137420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106880 (or 106878 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2137420 is about 1461.9917920426. The cubic root of 2137420 is about 128.8140662081.

The spelling of 2137420 in words is "two million, one hundred thirty-seven thousand, four hundred twenty".