1506402 has 12 divisors (see below), whose sum is σ = 3263910. Its totient is φ = 502128.

The previous prime is 1506391. The next prime is 1506413. The reversal of 1506402 is 2046051.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1506391) and next prime (1506413).

It can be written as a sum of positive squares in only one way, i.e., 1058841 + 447561 = 1029^2 + 669^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 83689 = 1506402 / (1 + 5 + 0 + 6 + 4 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41827 + ... + 41862.

2^1506402 is an apocalyptic number.

1506402 is an abundant number, since it is smaller than the sum of its proper divisors (1757508).

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

1506402 is a wasteful number, since it uses less digits than its factorization.

1506402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83697 (or 83694 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1506402 is about 1227.3556941653. The cubic root of 1506402 is about 114.6340477948.

The spelling of 1506402 in words is "one million, five hundred six thousand, four hundred two".