2106357 has 32 divisors (see below), whose sum is σ = 3317760. Its totient is φ = 1176000.

The previous prime is 2106353. The next prime is 2106361. The reversal of 2106357 is 7536012.

It is an interprime number because it is at equal distance from previous prime (2106353) and next prime (2106361).

It is not a de Polignac number, because 2106357 - 2² = 2106353 is a prime.

It is a super-2 number, since 2×2106357² = 8873479622898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106353) 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, 29632 + ... + 29702.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2^2106357 is an apocalyptic number.

It is an amenable number.

2106357 is a deficient number, since it is larger than the sum of its proper divisors (1211403).

2106357 is a wasteful number, since it uses less digits than its factorization.

2106357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 2106357 is about 1451.3293905933. The cubic root of 2106357 is about 128.1870028677.

The spelling of 2106357 in words is "two million, one hundred six thousand, three hundred fifty-seven".