401698 has 24 divisors (see below), whose sum is σ = 714960. Its totient is φ = 167400.

The previous prime is 401689. The next prime is 401707. The reversal of 401698 is 896104.

401698 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (401689) and next prime (401707).

It is a super-2 number, since 2×401698² = 322722566408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12943 + ... + 12973.

It is an arithmetic number, because the mean of its divisors is an integer number (29790).

2⁴⁰¹⁶⁹⁸ is an apocalyptic number.

401698 is a deficient number, since it is larger than the sum of its proper divisors (313262).

401698 is a wasteful number, since it uses less digits than its factorization.

401698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 401698 is about 633.7964973081. The cubic root of 401698 is about 73.7847408860.

It can be divided in two parts, 4016 and 98, that added together give a palindrome (4114).

The spelling of 401698 in words is "four hundred one thousand, six hundred ninety-eight".