1601434 has 32 divisors (see below), whose sum is σ = 2790720. Its totient is φ = 684288.

The previous prime is 1601423. The next prime is 1601441. The reversal of 1601434 is 4341061.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23869 + ... + 23935.

It is an arithmetic number, because the mean of its divisors is an integer number (87210).

2^1601434 is an apocalyptic number.

1601434 is a deficient number, since it is larger than the sum of its proper divisors (1189286).

1601434 is a wasteful number, since it uses less digits than its factorization.

1601434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1601434 is about 1265.4777753876. The cubic root of 1601434 is about 116.9956411068.

Adding to 1601434 its reverse (4341061), we get a palindrome (5942495).

The spelling of 1601434 in words is "one million, six hundred one thousand, four hundred thirty-four".