401097851 has 48 divisors (see below), whose sum is σ = 537250560. Its totient is φ = 290727360.

The previous prime is 401097841. The next prime is 401097857. The reversal of 401097851 is 158790104.

It is not a de Polignac number, because 401097851 - 2⁶ = 401097787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401097857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1751405 + ... + 1751633.

It is an arithmetic number, because the mean of its divisors is an integer number (11192720).

Almost surely, 2^401097851 is an apocalyptic number.

401097851 is a deficient number, since it is larger than the sum of its proper divisors (136152709).

401097851 is a wasteful number, since it uses less digits than its factorization.

401097851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 401097851 is about 20027.4274683495. The cubic root of 401097851 is about 737.4797702389.

The spelling of 401097851 in words is "four hundred one million, ninety-seven thousand, eight hundred fifty-one".