1401590946 has 16 divisors (see below), whose sum is σ = 3203636544. Its totient is φ = 400454544.

The previous prime is 1401590893. The next prime is 1401590947. The reversal of 1401590946 is 6490951041.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1401590947) 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 7 ways as a sum of consecutive naturals, for example, 16685565 + ... + 16685648.

It is an arithmetic number, because the mean of its divisors is an integer number (200227284).

Almost surely, 2^1401590946 is an apocalyptic number.

1401590946 is an abundant number, since it is smaller than the sum of its proper divisors (1802045598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401590946 is a wasteful number, since it uses less digits than its factorization.

1401590946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33371225.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 1401590946 is about 37437.8277414703. The cubic root of 1401590946 is about 1119.1125373077.

The spelling of 1401590946 in words is "one billion, four hundred one million, five hundred ninety thousand, nine hundred forty-six".