1401632006 has 16 divisors (see below), whose sum is σ = 2205239904. Its totient is φ = 666868224.

The previous prime is 1401632003. The next prime is 1401632017. The reversal of 1401632006 is 6002361041.

It is a happy number.

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 (1401632003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70061 + ... + 87816.

It is an arithmetic number, because the mean of its divisors is an integer number (137827494).

Almost surely, 2^1401632006 is an apocalyptic number.

1401632006 is a deficient number, since it is larger than the sum of its proper divisors (803607898).

1401632006 is a wasteful number, since it uses less digits than its factorization.

1401632006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158095.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1401632006 is about 37438.3761132878. The cubic root of 1401632006 is about 1119.1234654396.

Adding to 1401632006 its reverse (6002361041), we get a palindrome (7403993047).

The spelling of 1401632006 in words is "one billion, four hundred one million, six hundred thirty-two thousand, six".