2356340 has 24 divisors (see below), whose sum is σ = 5655552. Its totient is φ = 807840.

The previous prime is 2356339. The next prime is 2356349. The reversal of 2356340 is 436532.

2356340 = T₅₅₃ + T₅₅₄ + ... + T₅₆₇.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2356349) 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, 8276 + ... + 8555.

It is an arithmetic number, because the mean of its divisors is an integer number (235648).

2^2356340 is an apocalyptic number.

2356340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2356340 is an abundant number, since it is smaller than the sum of its proper divisors (3299212).

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

2356340 is a wasteful number, since it uses less digits than its factorization.

2356340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16847 (or 16845 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2356340 is about 1535.0374588263. The cubic root of 2356340 is about 133.0697431338.

The spelling of 2356340 in words is "two million, three hundred fifty-six thousand, three hundred forty".