1402320 has 40 divisors (see below), whose sum is σ = 4347936. Its totient is φ = 373888.

The previous prime is 1402309. The next prime is 1402361. The reversal of 1402320 is 232041.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-4 number, since 4×1402320⁴ (a number of 26 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1402296 and 1402305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2682 + ... + 3161.

2^1402320 is an apocalyptic number.

1402320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402320 is an abundant number, since it is smaller than the sum of its proper divisors (2945616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1402320 is a wasteful number, since it uses less digits than its factorization.

1402320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5859 (or 5853 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1402320 is about 1184.1959297346. The cubic root of 1402320 is about 111.9306543519.

Adding to 1402320 its reverse (232041), we get a palindrome (1634361).

The spelling of 1402320 in words is "one million, four hundred two thousand, three hundred twenty".