1401897411 has 12 divisors (see below), whose sum is σ = 2025792288. Its totient is φ = 934215504.

The previous prime is 1401897397. The next prime is 1401897487. The reversal of 1401897411 is 1147981041.

It is a happy number.

1401897411 is a `hidden beast` number, since 140 + 18 + 97 + 411 = 666.

It is not a de Polignac number, because 1401897411 - 2¹⁹ = 1401373123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401897491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7740 + ... + 53513.

It is an arithmetic number, because the mean of its divisors is an integer number (168816024).

Almost surely, 2^1401897411 is an apocalyptic number.

1401897411 is a deficient number, since it is larger than the sum of its proper divisors (623894877).

1401897411 is a wasteful number, since it uses less digits than its factorization.

1401897411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63802 (or 63799 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 1401897411 is about 37441.9205036280. The cubic root of 1401897411 is about 1119.1940979158.

The spelling of 1401897411 in words is "one billion, four hundred one million, eight hundred ninety-seven thousand, four hundred eleven".