2157356 has 6 divisors (see below), whose sum is σ = 3775380. Its totient is φ = 1078676.

The previous prime is 2157343. The next prime is 2157361. The reversal of 2157356 is 6537512.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269666 + ... + 269673.

It is an arithmetic number, because the mean of its divisors is an integer number (629230).

2^2157356 is an apocalyptic number.

It is an amenable number.

2157356 is a deficient number, since it is larger than the sum of its proper divisors (1618024).

2157356 is a wasteful number, since it uses less digits than its factorization.

2157356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539343 (or 539341 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 2157356 is about 1468.7940631688. The cubic root of 2157356 is about 129.2133161135.

The spelling of 2157356 in words is "two million, one hundred fifty-seven thousand, three hundred fifty-six".