1542394 has 24 divisors (see below), whose sum is σ = 2759328. Its totient is φ = 633360.

The previous prime is 1542383. The next prime is 1542421. The reversal of 1542394 is 4932451.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11709 + ... + 11839.

It is an arithmetic number, because the mean of its divisors is an integer number (114972).

2^1542394 is an apocalyptic number.

1542394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1542394 is a deficient number, since it is larger than the sum of its proper divisors (1216934).

1542394 is a wasteful number, since it uses less digits than its factorization.

1542394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 169 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1542394 is about 1241.9315601111. The cubic root of 1542394 is about 115.5398437026.

It can be divided in two parts, 1542 and 394, that added together give a square (1936 = 44²).

The spelling of 1542394 in words is "one million, five hundred forty-two thousand, three hundred ninety-four".