1402437 has 4 divisors (see below), whose sum is σ = 1869920. Its totient is φ = 934956.

The previous prime is 1402421. The next prime is 1402439. The reversal of 1402437 is 7342041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1402437 - 2⁴ = 1402421 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233737 + ... + 233742.

It is an arithmetic number, because the mean of its divisors is an integer number (467480).

2^1402437 is an apocalyptic number.

It is an amenable number.

1402437 is a deficient number, since it is larger than the sum of its proper divisors (467483).

1402437 is an equidigital number, since it uses as much as digits as its factorization.

1402437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467482.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1402437 is about 1184.2453293131. The cubic root of 1402437 is about 111.9337671750.

Adding to 1402437 its reverse (7342041), we get a palindrome (8744478).

The spelling of 1402437 in words is "one million, four hundred two thousand, four hundred thirty-seven".