2356749 has 16 divisors (see below), whose sum is σ = 3517440. Its totient is φ = 1559520.

The previous prime is 2356699. The next prime is 2356763. The reversal of 2356749 is 9476532.

It is not a de Polignac number, because 2356749 - 2⁷ = 2356621 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

2356749 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2356799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4929 + ... + 5385.

It is an arithmetic number, because the mean of its divisors is an integer number (219840).

2^2356749 is an apocalyptic number.

It is an amenable number.

2356749 is a deficient number, since it is larger than the sum of its proper divisors (1160691).

2356749 is a wasteful number, since it uses less digits than its factorization.

2356749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 651 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2356749 is about 1535.1706745506. The cubic root of 2356749 is about 133.0774418497.

The spelling of 2356749 in words is "two million, three hundred fifty-six thousand, seven hundred forty-nine".