1953434 has 24 divisors (see below), whose sum is σ = 3523968. Its totient is φ = 808920.

The previous prime is 1953383. The next prime is 1953437. The reversal of 1953434 is 4343591.

It is an Ulam number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1953397 and 1953406.

It is not an unprimeable number, because it can be changed into a prime (1953437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2717 + ... + 3359.

It is an arithmetic number, because the mean of its divisors is an integer number (146832).

2^1953434 is an apocalyptic number.

1953434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1953434 is a deficient number, since it is larger than the sum of its proper divisors (1570534).

1953434 is a wasteful number, since it uses less digits than its factorization.

1953434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 683 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 1953434 is about 1397.6530327660. The cubic root of 1953434 is about 125.0065916524.

The spelling of 1953434 in words is "one million, nine hundred fifty-three thousand, four hundred thirty-four".