1236434 has 8 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 591316.

The previous prime is 1236419. The next prime is 1236439. The reversal of 1236434 is 4346321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1236439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13394 + ... + 13485.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

2^1236434 is an apocalyptic number.

1236434 is a deficient number, since it is larger than the sum of its proper divisors (698926).

1236434 is a wasteful number, since it uses less digits than its factorization.

1236434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26904.

The product of its digits is 1728, while the sum is 23.

The square root of 1236434 is about 1111.9505384683. The cubic root of 1236434 is about 107.3306220354.

The spelling of 1236434 in words is "one million, two hundred thirty-six thousand, four hundred thirty-four".