1534421 has 16 divisors (see below), whose sum is σ = 1881600. Its totient is φ = 1222128.

The previous prime is 1534411. The next prime is 1534451. The reversal of 1534421 is 1244351.

It is a cyclic number.

It is not a de Polignac number, because 1534421 - 2¹⁰ = 1533397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1534393 and 1534402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534411) 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 15 ways as a sum of consecutive naturals, for example, 10970 + ... + 11108.

It is an arithmetic number, because the mean of its divisors is an integer number (117600).

2^1534421 is an apocalyptic number.

It is an amenable number.

1534421 is a deficient number, since it is larger than the sum of its proper divisors (347179).

1534421 is a wasteful number, since it uses less digits than its factorization.

1534421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248.

The product of its digits is 480, while the sum is 20.

The square root of 1534421 is about 1238.7174819143. The cubic root of 1534421 is about 115.3404154011.

Adding to 1534421 its reverse (1244351), we get a palindrome (2778772).

The spelling of 1534421 in words is "one million, five hundred thirty-four thousand, four hundred twenty-one".