1634542 has 24 divisors (see below), whose sum is σ = 3073896. Its totient is φ = 646128.

The previous prime is 1634531. The next prime is 1634557. The reversal of 1634542 is 2454361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 633 + ... + 1915.

It is an arithmetic number, because the mean of its divisors is an integer number (128079).

2^1634542 is an apocalyptic number.

1634542 is a deficient number, since it is larger than the sum of its proper divisors (1439354).

1634542 is a wasteful number, since it uses less digits than its factorization.

1634542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312 (or 1305 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 1634542 is about 1278.4920805386. The cubic root of 1634542 is about 117.7964027215.

The spelling of 1634542 in words is "one million, six hundred thirty-four thousand, five hundred forty-two".