6215402 has 4 divisors (see below), whose sum is σ = 9323106. Its totient is φ = 3107700.

The previous prime is 6215401. The next prime is 6215423. The reversal of 6215402 is 2045126.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6105841 + 109561 = 2471^2 + 331^2 .

It is not an unprimeable number, because it can be changed into a prime (6215401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1553849 + ... + 1553852.

Almost surely, 2^6215402 is an apocalyptic number.

6215402 is a deficient number, since it is larger than the sum of its proper divisors (3107704).

6215402 is a wasteful number, since it uses less digits than its factorization.

6215402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107703.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 6215402 is about 2493.0707972298. The cubic root of 6215402 is about 183.8610521571.

The spelling of 6215402 in words is "six million, two hundred fifteen thousand, four hundred two".