10400061 has 8 divisors (see below), whose sum is σ = 15847744. Its totient is φ = 5942880.

The previous prime is 10400059. The next prime is 10400069. The reversal of 10400061 is 16000401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10400061 - 2¹ = 10400059 is a prime.

It is a super-2 number, since 2×10400061² = 216322537607442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247600 + ... + 247641.

It is an arithmetic number, because the mean of its divisors is an integer number (1980968).

Almost surely, 2^10400061 is an apocalyptic number.

It is an amenable number.

10400061 is a deficient number, since it is larger than the sum of its proper divisors (5447683).

10400061 is an equidigital number, since it uses as much as digits as its factorization.

10400061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495251.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10400061 is about 3224.9125569541. The cubic root of 10400061 is about 218.2790033740.

Adding to 10400061 its reverse (16000401), we get a palindrome (26400462).

The spelling of 10400061 in words is "ten million, four hundred thousand, sixty-one".