401920703 has 4 divisors (see below), whose sum is σ = 402097080. Its totient is φ = 401744328.

The previous prime is 401920679. The next prime is 401920709. The reversal of 401920703 is 307029104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401920703 - 2⁶ = 401920639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401920709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84725 + ... + 89342.

It is an arithmetic number, because the mean of its divisors is an integer number (100524270).

Almost surely, 2^401920703 is an apocalyptic number.

401920703 is a deficient number, since it is larger than the sum of its proper divisors (176377).

401920703 is a wasteful number, since it uses less digits than its factorization.

401920703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176376.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 401920703 is about 20047.9600707902. The cubic root of 401920703 is about 737.9837388671.

Adding to 401920703 its reverse (307029104), we get a palindrome (708949807).

The spelling of 401920703 in words is "four hundred one million, nine hundred twenty thousand, seven hundred three".