1401632393 has 8 divisors (see below), whose sum is σ = 1602683712. Its totient is φ = 1200785616.

The previous prime is 1401632389. The next prime is 1401632399. The reversal of 1401632393 is 3932361041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1401632393 - 2² = 1401632389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401632399) 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, 36155 + ... + 64112.

It is an arithmetic number, because the mean of its divisors is an integer number (200335464).

Almost surely, 2^1401632393 is an apocalyptic number.

It is an amenable number.

1401632393 is a deficient number, since it is larger than the sum of its proper divisors (201051319).

1401632393 is a wasteful number, since it uses less digits than its factorization.

1401632393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102271.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 1401632393 is about 37438.3812817809. The cubic root of 1401632393 is about 1119.1235684388.

The spelling of 1401632393 in words is "one billion, four hundred one million, six hundred thirty-two thousand, three hundred ninety-three".