1400961 has 8 divisors (see below), whose sum is σ = 1932480. Its totient is φ = 901712.

The previous prime is 1400947. The next prime is 1400989. The reversal of 1400961 is 1690041.

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

It is a cyclic number.

It is not a de Polignac number, because 1400961 - 2⁹ = 1400449 is a prime.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1400941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7965 + ... + 8138.

It is an arithmetic number, because the mean of its divisors is an integer number (241560).

2^1400961 is an apocalyptic number.

It is an amenable number.

1400961 is a deficient number, since it is larger than the sum of its proper divisors (531519).

1400961 is a wasteful number, since it uses less digits than its factorization.

1400961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16135.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1400961 is about 1183.6219835741. The cubic root of 1400961 is about 111.8944850220.

The spelling of 1400961 in words is "one million, four hundred thousand, nine hundred sixty-one".