1401623896 has 8 divisors (see below), whose sum is σ = 2628044820. Its totient is φ = 700811944.

The previous prime is 1401623893. The next prime is 1401623941. The reversal of 1401623896 is 6983261041.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401623891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87601486 + ... + 87601501.

Almost surely, 2^1401623896 is an apocalyptic number.

It is an amenable number.

1401623896 is a deficient number, since it is larger than the sum of its proper divisors (1226420924).

1401623896 is a wasteful number, since it uses less digits than its factorization.

1401623896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175202993 (or 175202989 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1401623896 is about 37438.2678018094. The cubic root of 1401623896 is about 1119.1213069775.

The spelling of 1401623896 in words is "one billion, four hundred one million, six hundred twenty-three thousand, eight hundred ninety-six".