2147402 has 8 divisors (see below), whose sum is σ = 3233412. Its totient is φ = 1069600.

The previous prime is 2147381. The next prime is 2147407. The reversal of 2147402 is 2047412.

It can be written as a sum of positive squares in 2 ways, for example, as 1934881 + 212521 = 1391^2 + 461^2 .

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

It is a super-2 number, since 2×2147402² = 9222670699208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147407) 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 3 ways as a sum of consecutive naturals, for example, 1349 + ... + 2472.

2^2147402 is an apocalyptic number.

2147402 is a deficient number, since it is larger than the sum of its proper divisors (1086010).

2147402 is a wasteful number, since it uses less digits than its factorization.

2147402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2147402 is about 1465.4016514253. The cubic root of 2147402 is about 129.0142804134.

The spelling of 2147402 in words is "two million, one hundred forty-seven thousand, four hundred two".