1400829 has 8 divisors (see below), whose sum is σ = 1877472. Its totient is φ = 929040.

The previous prime is 1400821. The next prime is 1400863. The reversal of 1400829 is 9280041.

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

It is not a de Polignac number, because 1400829 - 2³ = 1400821 is a prime.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1400799 and 1400808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400821) 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, 474 + ... + 1739.

It is an arithmetic number, because the mean of its divisors is an integer number (234684).

2^1400829 is an apocalyptic number.

1400829 is the 633-rd nonagonal number.

It is an amenable number.

1400829 is a deficient number, since it is larger than the sum of its proper divisors (476643).

1400829 is a wasteful number, since it uses less digits than its factorization.

1400829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1400829 is about 1183.5662212145. The cubic root of 1400829 is about 111.8909706401.

The spelling of 1400829 in words is "one million, four hundred thousand, eight hundred twenty-nine".