1402939 has 8 divisors (see below), whose sum is σ = 1445840. Its totient is φ = 1360800.

The previous prime is 1402937. The next prime is 1402943. The reversal of 1402939 is 9392041.

1402939 = 55² + 56² + ... + 163².

It is a happy number.

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 1402939 - 2¹ = 1402937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6544 + ... + 6754.

It is an arithmetic number, because the mean of its divisors is an integer number (180730).

2^1402939 is an apocalyptic number.

1402939 is a deficient number, since it is larger than the sum of its proper divisors (42901).

1402939 is a wasteful number, since it uses less digits than its factorization.

1402939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1402939 is about 1184.4572596763. The cubic root of 1402939 is about 111.9471210840.

The spelling of 1402939 in words is "one million, four hundred two thousand, nine hundred thirty-nine".