1915402 has 4 divisors (see below), whose sum is σ = 2873106. Its totient is φ = 957700.

The previous prime is 1915399. The next prime is 1915411. The reversal of 1915402 is 2045191.

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., 1142761 + 772641 = 1069^2 + 879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478849 + ... + 478852.

2^1915402 is an apocalyptic number.

1915402 is a deficient number, since it is larger than the sum of its proper divisors (957704).

1915402 is an equidigital number, since it uses as much as digits as its factorization.

1915402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957703.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1915402 is about 1383.9804911920. The cubic root of 1915402 is about 124.1900052722.

The spelling of 1915402 in words is "one million, nine hundred fifteen thousand, four hundred two".