2120349 has 32 divisors (see below), whose sum is σ = 3603456. Its totient is φ = 1077120.

The previous prime is 2120341. The next prime is 2120351. The reversal of 2120349 is 9430212.

It is not a de Polignac number, because 2120349 - 2³ = 2120341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a d-powerful number, because it can be written as 2³ + 1 + 2²¹ + 0 + 3⁵ + 4⁷ + 9⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15409 + ... + 15545.

It is an arithmetic number, because the mean of its divisors is an integer number (112608).

2^2120349 is an apocalyptic number.

It is an amenable number.

2120349 is a deficient number, since it is larger than the sum of its proper divisors (1483107).

2120349 is a wasteful number, since it uses less digits than its factorization.

2120349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2120349 is about 1456.1418200162. The cubic root of 2120349 is about 128.4702146997.

The spelling of 2120349 in words is "two million, one hundred twenty thousand, three hundred forty-nine".